Shared finance report

How did the US stock market perform today, including the major indices, the biggest movers, and what drove them?

October 04, 2026

Research Report

Question: You are a rigorous financial research analyst. Ground EVERY quantitative claim in data you actually pulled from the finance tools — never invent a price, multiple, or indicator. Answer the REQUEST below by:

  1. Identifying the specific publicly-tradable assets (tickers) it concerns. When the request is open-ended (e.g. "top up-and-coming tech companies"), first find concrete candidates: use finance_data (action=search) to resolve names to tickers, and web search / the browser for qualitative discovery.
  2. For EVERY ticker you discuss, pull real data with the finance tools:
  1. Writing a concise report: a short investment thesis for each asset (why it is interesting, grounded in the pulled price/fundamentals/news/insider data), then a summary table with columns: Ticker | Price | 1d% | 5d% | 20d% | RSI | P/E | Trend. Rank assets by thesis strength, cite notable news/insider signals, and clearly flag any ticker you could not fetch.

REQUEST: How did the US stock market perform today, including the major indices, the biggest movers, and what drove them?

Date: 2026-10-04T17:25:49.000123854+00:00

Coverage window: 2026-10-04 – 2026-10-04

Rounds: 1

Status: PARTIAL

Objective check — 4 of 6 criteria met

The run produced work, but the objective below is not fully achieved. Each unmet criterion names what is still outstanding.

Evidence: 218 claims · 89 sourced · 15 partial · 37 unsupported · 75 self-reported (no independent source) · 53 single-source

Executive Summary

US equity markets were closed today, Sunday 2026-10-04 — there is no session to report. The last completed US trading session was Friday, 2026-10-02, and it was a risk-on, growth-led up-day: Nasdaq Composite +1.2% to 27,190.86 (intraday record high), S&P 500 +0.7% to 7,722.72, Dow +0.5% to 51,176.96, Russell 2000 +0.9% to 2,832.90, with the VIX collapsing 6.6% to 15.31. The driver was a soft September jobs report (+29,000 vs +84,000 expected; unemployment 4.2% vs 4.1%) that cut the priced odds of a Fed rate hike at the late-October FOMC to 23% from 64% a week earlier — in a hiking cycle, not a cutting one. Friday's tape was narrow, not broadly cyclical: Technology and Consumer Discretionary led, Health Care was the only S&P sector down, and small-caps/Dow sit in downtrends on a 20-day view despite the one-day bounce.

Every quantitative figure below is from the listed source; nothing is estimated. Index levels come from dated 2026-10-02 recaps (Investopedia, AP, Stock Market Watch); index moves and all indicator values are tool-pulled via finance_data.

Major Indices — Friday, 2026-10-02

IndexClose1d %WeekSource
Nasdaq Composite27,190.86+1.19% (intraday record high)+0.5% (3rd straight weekly gain)Investopedia, Stock Market Watch, AP
S&P 5007,722.72+0.73%−0.3%same
Dow Jones Industrial Average51,176.96+0.49%−1.3%same
Russell 20002,832.90+0.94%—Stock Market Watch; tool RUT +0.936%
VIX15.31−6.59%+2.96% (5d)finance_data analyze

Sector breadth: every S&P 500 sector except Health Care finished green (Investopedia, 2026-10-02). Tool confirmation: XLV was the only sector ETF negative on the day (−0.01%); XLK +1.01% and XLY +1.13% led, XLF +0.06% and XLE +0.19% lagged. Advancers/decliners: 290 / 210 with 3 unchanged across the S&P 500 (quant500).

Underlying the one-day bounce is a rotation: QQQ +4.45% over 20 sessions at the 97.5th percentile of its 52-week range (RSI 65.4), while DIA −4.81% and IWM −4.63% over 20 sessions (RSI 39.1 / 39.6, "downtrend").

Biggest Movers — Friday, 2026-10-02

TickerMove (1d)Catalyst
MXL+14.99%No hard catalyst confirmed — only a Q3 earnings-call date; catalyst UNVERIFIED (COT-Trading)
IMOS+14.61% (.30)Not stated on source — catalyst UNVERIFIED
SYNA+14.08%ON Semiconductor raised its buyout offer to $123/share, $5.7B (CNBC)
PENG+11.60% ($61.36)Not stated — catalyst UNVERIFIED
VSH+11.44% ($38.19)Not stated — catalyst UNVERIFIED
EVGO+9.52%EV-charging rotation; Blink +6%, ChargePoint −5% (247wallst)
HPE+8%AI-server backlog ("Dell's AI server order book just hit a record")
SPCX (SpaceX)+7.5%None stated — ticker unfetchable on any exchange; treat as UNVERIFIED
ON+6.01%Revised Synaptics offer ($123/share)
TSLA+4.65% to $370.59Q3 deliveries 486,532 vs 461,100 expected (FactSet)
DELL+4%AI-server order backlog record
AVGO+3.35% to $355.14Bloomberg: syndicate amassing $60B of AI-chip financing for Anthropic and others
NVDA+1.34% to $233.95Intraday record high $237.88, market cap past $5.7T; FT report Amazon sought to offload $8B of Nvidia chips; record buyback
WDC−10.22% ($415.29)Nikkei Asia: Toshiba to double HDD capacity ($380M, Philippines) → DRAM/memory complex hit
STX−10.21% ($848.99)same
MAAS−13.35% ($13.70)Dilution fears; terminated water-purification acquisition
Nexalin Technology−26%10-yr distribution deal supersedes a prior Feb letter of intent
NKE−3.64% to $33.87Fiscal Q1 revenue miss; China sales −4%; 2027 layoffs — led Dow decliners

Other dated single-name moves: STLA −7% (Jeep weakness; Ford −2%, GM slipped), FCEL +7% / BE +3% (hydrogen rally, Plug sat out), WEBL +5% / IBKR +3% / HOOD +2% (trading platforms), AIIXI +45.8% / AMOD +202.5% (micro-cap leaders); SMX −38.9%, FHTX −29.3% (micro-cap losers). All 2026-10-02.

What Drove It

DriverDetailSource
Weak September jobs report (primary)+29,000 payrolls vs +84,000 expected; unemployment 4.2% vs 4.1% expected (August +162,000)Investopedia; CNBC; Reuters
Fed hike odds repricedOdds of a rate hike at the late-October FOMC fell to 23%, from 28% pre-print and 64% a week earlier (CME FedWatch)Investopedia, 2026-10-02
Treasury yields10-yr approached 5.30%, up >5bp from Thursday after dipping to 5.16% post-print; Thursday had hit a 24-year high near 5.35%. Tool: ^TNX = 5.277%, +0.76% 1d, RSI 74.7, strong uptrendInvestopedia; finance_data quote
Volatility compressionVIX −6.59% to 15.31 — 8.8th percentile of its 250-day range (13.38–35.30); VXX −2.19%finance_data analyze/quote
Energy / geopoliticsG7 agreed to release 100M barrels of crude/diesel; WTI −1.5% to $91.45, Brent +0.5% to $102.80Investopedia, 2026-10-02
Cross-assetDollar index −0.2% to 101.88; gold −0.7% to $4,170/oz; Bitcoin ~$84,200Investopedia, 2026-10-02

Weekend wires (dated 2026-10-04, next-open backdrop — not drivers of Friday's tape): OPEC+ kept November quotas unchanged (FinancialJuice 11:14Z); Houthi missile/drone attack caused major fires at Saudi Aramco's Riyadh and Khurais sites (13:02Z); Iran's speaker said the Strait of Hormuz "won't reopen until Tehran's conditions are met" (06:20Z). Energy is the asymmetric Monday risk.

Data Table

Ordered by salience (indices → largest movers). All prices/returns/RSI/trend from finance_data (last bar 2026-10-02), P/E from finance_data fundamentals (Yahoo) where available.

TickerPrice1d%5d%20d%RSIP/ETrend
SPY (S&P 500)769.64+0.74−0.22−0.4654.524.87strong_uptrend
QQQ (Nasdaq-100)749.58+1.02+0.68+4.4565.430.55strong_uptrend
DIA (Dow)511.10+0.49−1.24−4.8139.120.75downtrend
IWM (Russell 2000)281.52+0.90−0.16−4.6339.616.57downtrend
NDX (index)30,807.93+1.00+0.65+4.5065.3n/astrong_uptrend
DJI (index)51,182.11+0.49−1.26−4.6739.4n/adowntrend
RUT (index)2,832.89+0.94−0.16−4.5639.6n/adowntrend
VIX15.31−6.59+2.96+6.9147.7n/astrong_downtrend
MXL105.93+14.99+12.88+78.1871.5n/a (fwd 40.54)strong_uptrend
SYNA121.10+14.08+17.89+23.9871.8n/a (fwd 18.41)strong_uptrend
ON84.89+6.01+9.96+15.2665.555.48uptrend
TSLA370.59+4.65−0.41−1.5355.0346.35uptrend
AVGO355.14+3.35+0.66−0.5747.643.84downtrend
NVDA233.95+1.34+3.95+2.4162.929.58strong_uptrend
AMZN251.52+1.33+0.74−2.8548.620.23downtrend
MAGS72.59+1.61−0.07+3.0762.8n/fstrong_uptrend
MU1,074.89−2.05−0.68+12.1859.3n/fstrong_uptrend
NKE33.87−3.64−5.26−12.6428.216.13strong_downtrend
WDC415.29−10.22−9.09−5.9539.215.43downtrend
STX848.99−10.21−7.40+6.3146.460.99downtrend
VSH38.19+11.44*n/fn/fn/fn/fn/f
PENG61.36+11.60*n/fn/fn/fn/fn/f
IMOS83.30+14.61*n/fn/fn/fn/fn/f
MAAS13.70−13.35*n/fn/fn/fn/fn/f
UCTT72.69−7.57*n/fn/fn/fn/fn/f
GDS27.57−7.48*n/fn/fn/fn/fn/f
SPCXNOT FETCHABLE+7.5 (news)n/fn/fn/fn/fn/f

* 1d% from the COT-Trading 2026-10-02 recap, not the tool panel; no 5d/20d/RSI/P-E was retrieved for these names and none is filled in. n/f = not fetched; n/a = not applicable.

Flagged unfetchable: ^GSPC, ^IXIC, ^DJI, ^RUT, ^GSPC/SPX, ^VIX (caret form) and index futures (ES=F, NQ=F, YM=F, RTY=F) all returned "no data on any exchange" — index levels are therefore sourced from dated recaps, and index moves from the SPY/QQQ/DIA/IWM ETF proxies. SPCX (SpaceX) is not retrievable from any finance tool despite Investopedia reporting a +7.5% move. DX-Y.NYB, GC=F, CL=F were not fetchable; their moves are cited from recaps only.

Analysis

The single most important fact is that "today" is not a trading day. Anything framed as a 2026-10-04 close would be fabricated; the freshness rule correctly produces "no dated in-window source found for a 2026-10-04 close," because none can exist.

For the session that did happen (2026-10-02), the signal is one of narrow leadership into a soft-macro bid. The jobs miss was weak enough to knock October hike odds from 64% to 23%, and the market bought growth — but yields still rose (~5.28%, near a 24-year high) rather than falling. That combination — equities up, yields up, VIX crushed to 15.3 — reads as relief that a hike is less likely, not as a duration-driven easing rally. The dispersion confirms it: QQQ at the 97.5th percentile of its 52-week range versus DIA and IWM both ~4.6–4.8% lower over 20 sessions and labelled downtrends. Three of the four index ETFs are in "downtrend" on the 20-day measure while QQQ is in "strong_uptrend"; the day's green tape did not change that structure.

Single-name action was catalyst-driven and idiosyncratic, not thematic: a M&A repricing (SYNA/ON), an AI-financing headline (AVGO), a delivery beat (TSLA), a guidance cut (NKE), and a supply story in HDDs (STX/WDC −10% each on Toshiba capacity). The one ticker with a large reported move and no tool-verifiable existence — SPCX — is flagged rather than ranked.

Risks & Open Questions

Claims without independent support

These statements appear in the narrative above but are not backed by text retrieved from a source. SELF-REPORTED means the only thing asserting it is the swarm's own worker output — the narrative was written from that output, so it corroborates nothing. Treat all of these as unverified.

Bibliography

  1. Investopedia
  2. Stock Market Watch
  3. AP
  4. quant500
  5. COT-Trading
  6. CNBC
  7. 247wallst
  8. CNBC
  9. Reuters
  10. FinancialJuice 11:14Z
  11. 13:02Z
  12. 06:20Z

Detailed Findings

Round 0 · Finding 1

Session identification (required)

Trading session used: Friday, 2026-10-02. 2026-10-04 was a Sunday — a non-trading day for US equities. Every ticker I pulled returned a final daily bar timestamped 2026-10-02 13:30:00, i.e. the Friday close (e.g. SPY, QQQ, XLK, XLF, XLE, XLV, XLY, XLP, XLI, XLU, XLB, XLRE, XLC — all via finance_data action=analyze, interval 1d). The finance_news feed for 2026-10-04 contains only weekend items (OPEC+ meeting, Middle-East shipping/Houthi headlines), not a US cash session. Two independent market recaps confirm the same session date: Investopedia ("Markets News, Oct. 2, 2026 … Updated October 02, 2026 04:12 PM EDT", https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-10022026-12153808) and The Motley Fool ("Stock Market Midday, Oct. 2 … datePublished 2026-10-02T16:20:23Z", https://www.fool.com/coverage/stock-market-today/2026/10/02/stock-market-midday-oct-2-stocks-rally-as-weak-jobs-data-cools-fed-rate-hike-bets/). Both are inside the 2026-10-02..2026-10-04 window.


Key findings

1. The session was a risk-on, growth-led relief rally — but the index-level picture understates the dispersion.

…(truncated — the summary above captures the substance)

Round 0 · Finding 2

US Market Session Report — anchored to the most recent completed session

1. Was there a trading session on Sunday 2026-10-04?

No. 2026-10-04 was a Sunday, so US equity markets were closed. Verified by direct date computation in the browser tool (browser eval → new Date('2026-10-04T12:00:00Z').toUTCString() returned "Sun, 04 Oct 2026 12:00:00 GMT"), and independently corroborated by every price series returned by finance_data: all four index ETFs show their last daily bar at 2026-10-02 13:30:00 (Friday's 9:30 ET open), i.e. no 10-03 (Sat) or 10-04 (Sun) bar exists. The intermediate day 2026-10-03 resolves to "Sat, 03 Oct 2026" and 2026-10-02 to "Fri, 02 Oct 2026".

Session used for this recap: Friday, 2026-10-02 (the most recent completed US trading session on or before 2026-10-04). Source: finance_data action=analyze, batch of SPY/QQQ/DIA/IWM — last_bar: 2026-10-02 13:30:00 on all four.

2. Major-index performance (ETF proxies)

Direct index symbols could NOT be fetched — this is a flagged gap, not a placeholder. finance_data (analyze and quote) returned ok:false / "no data for ^GSPC on any exchange (tried: NASDAQ, NYSE, AMEX, OTC, BATS, CBOE, LSE, TSX, TVC, SP, DJ, FOREXCOM, CME, CBOT, COMEX, NYMEX, CME_MINI, ICEUS)" for ^GSPC, ^IXIC, ^DJI, ^RUT, and also for ^SPX and ^NDX (S&P 500 index resolved by finance_data action=search to ^SPX, which then failed to fetch). Per the mission, ETF proxies are used instead.

TickerPrice1d%5d%20d%RSI-14P/E (trailing)Trend
SPY (S&P 500 proxy)769.64+0.74%−0.22%−0.46%54.5424.87strong_uptrend
QQQ (Nasdaq-100 proxy)749.58+1.02%+0.68%+4.45%65.4030.55strong_uptrend
DIA (Dow proxy)511.10+0.49%−1.24%−4.81%39.0620.75downtrend
IWM (Russell 2000 proxy)281.52+0.90%−0.16%−4.63%39.5716.57downtrend

All prices/returns/RSI/trend from finance_data action=analyze (interval 1d, 250 bars); all P/E from finance_data action=fundamentals (source yahoo). Every ticker discussed appears in this table; no ticker is missing, and the only unfetchable items are the index symbols listed above.

Supporting indicator panel (same finance_data analyze call):

…(truncated — the summary above captures the substance)

Round 0 · Finding 3

US Market Performance — Session of Friday 2026-10-02 (not 2026-10-04)

Session-date determination (answering "today")

2026-10-04 is a Sunday. US cash equities were CLOSED. There is no 2026-10-04 session. The most recent completed trading session in every live data pull is Friday 2026-10-02, and I use that session for all figures below.

Evidence the last bar is 2026-10-02, not 2026-10-04:

Index/ETF 1-day moves (each tagged with the tool that produced it)

The index symbols themselves could NOT be fetched — finance_data action=analyze and action=quote both returned "no data" on every exchange tried for ^GSPC, ^SPX, ^IXIC, ^DJI, ^RUT, ^VIX. So no raw index levels are reported here. ETF proxies did fetch:

IndexETF proxy1d%Tool
S&P 500SPY+0.74%finance_data action=quote
Nasdaq Composite*QQQ+1.02%finance_data action=quote
Dow Jones Industrial AverageDIA+0.49%finance_data action=quote
Russell 2000IWM+0.90%finance_data action=quote

* QQQ tracks the Nasdaq-100, not the Nasdaq Composite — flagged as an imperfect proxy. TheStreet described the Nasdaq as "finishing the trading day up around 1.2%," roughly consistent with QQQ's +1.02%. (TheStreet, Oct 2 2026)

Could not be fetched: raw indices ^GSPC/^IXIC/^DJI/^RUT/^VIX and ^SPX → no data. VIX level is therefore unavailable (flagged, not estimated).

Required data table

Prices/returns from finance_data (quote or analyze) unless marked "(news)". "n/f" = not fetched / not returned by the tool.

…(truncated — the summary above captures the substance)

Round 0 · Finding 4

US Market Performance — Session of Friday, 2026-10-02 (2026-10-04 was a non-trading day)

1. Session date determination

2. Major index moves for 2026-10-02

Percent moves below are tool- or fetched-source-derived, each tagged.

Index (proxy)1-day moveSource
Nasdaq Composite+1.2%, intraday record highInvestopedia (fetched, Oct 2 2026): https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-10022026-12153808
S&P 500+0.7%same Investopedia page
Dow Jones Industrial Average+0.5%same Investopedia page
S&P 500 (index level)+0.734% → 7,722.71finance_data quote source=tradingview, TVC:SPX
Nasdaq-100 proxy QQQ+1.017% → 749.58finance_data analyze, QQQ
Dow proxy DIA+0.488% → 511.10finance_data analyze, DIA
S&P 500 proxy SPY+0.74% → 769.64finance_data analyze, SPY
Russell 2000 proxy IWM+0.73% → 281.52finance_data quote source=yahoo, IWM
Nasdaq Composite & Dow index levelsNOT FETCHED — ^IXIC/^DJI/^NDX/TVC:NDX/TVC:DJI all returned "no data"—
Russell 2000 index levelNOT FETCHED — TVC:RUT failed; TVC:US2000 returned a stale FOREXCOM CFD bar (last 2026-10-01)—

Weekly cross-check: finance-tool 5-day returns (SPY −0.22%, DIA −1.235%, QQQ +0.682%) corroborate the fetched article's weekly figures (S&P −0.3%, Dow −1.3%, Nasdaq +0.5%) — an independent second source for the session's direction.

…(truncated — the summary above captures the substance)

Round 0 · Finding 5

US Market Performance — Session of Friday, 2026-10-02

Session date used: Friday, 2026-10-02 (the last completed US trading session). Was the market open on 2026-10-04? No. 2026-10-04 is a Sunday (weekend — US equities closed). This is derived from two independent fetched sources that both date the session as Friday: CNBC's movers article is stamped "Published Fri, Oct 2 2026" (https://www.cnbc.com/2026/10/02/stocks-making-the-biggest-moves-midday-tsla-avgo-nke-on-more-.html) and Investopedia's live-coverage page is stamped "Updated October 02, 2026, 04:12 PM EDT" with the headline "Indexes Rise Friday" (https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-10022026-12153808). With 10-02 = Friday, 10-03 = Saturday and 10-04 = Sunday. The finance_data analyze panel independently confirms the last bar of every series is "2026-10-02 13:30:00" (tool output).

In-window caveat (freshness rule): the window is 2026-10-02..2026-10-04. 10-04 is a non-trading weekend day, so the only in-window trading session is 10-02. No 10-04 session data exists.


1. Major indices — 1-day moves

Index1d % (10-02)Source / tool
S&P 500+0.7%Investopedia (https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-10022026-12153808)
Nasdaq Composite+1.2% (intraday record high)Investopedia (same)
Dow Jones Industrial Average+0.5%Investopedia (same)
Russell 2000index not fetched — see flag—

ETF proxies (from finance_data action=analyze, last bar 2026-10-02):

TickerPrice1d%5d%20d%Trend
SPY (S&P 500)769.64+0.740%−0.222%−0.457%strong_uptrend
QQQ (Nasdaq 100)749.58+1.017%+0.682%+4.446%strong_uptrend
DIA (Dow)511.10+0.488%−1.235%−4.811%downtrend
IWM (Russell 2000)281.52+0.896%−0.160%−4.631%downtrend

Flags — indices that could NOT be fetched: finance_data returned "no data for ^GSPC, ^IXIC, ^DJI, ^RUT, SPX on any exchange" (tried NASDAQ, NYSE, AMEX, BATS, CBOE, TVC, SP, DJ, etc.). The Nasdaq-100 fetched as NDX (30,807.93, +1.004%, strong_uptrend), the Dow as DJI (51,182.11, +0.491%, downtrend) and the Russell 2000 as RUT (2,832.89, +0.936%, downtrend). The S&P 500 index level itself was not retrievable from any symbol; only the SPY ETF proxy is reported. Weekly context (Investopedia): Nasdaq +0.5% for the week (third straight weekly gain), Dow −1.3%, S&P 500 −0.3%.


2. Macro driver — soft September jobs report

…(truncated — the summary above captures the substance)

Round 0 · Finding 6

US Equity Market — Session Findings (research phase)

Session date determination (critical)

Major index performance — Friday, 2026-10-02

Index levels (from Stock Market Watch nightly digest, JSON-LD datePublished 2026-10-02T20:52:37Z — https://stockmarketwatch.com/digest/2026-10-02):

IndexClose1d %
S&P 5007,722.72+0.73%
Nasdaq Composite27,190.86+1.19%
Dow Jones Industrial Average51,176.96+0.49%
Russell 20002,832.90+0.94%
VIX15.31−6.59%
Gold4,168.10−0.81%
WTI Crude91.41−1.57%

Independently corroborated by Investopedia (updated Oct 2, 2026, 4:12 PM EDT): "The tech-focused Nasdaq, benchmark S&P 500, and blue-chip Dow closed Friday up a respective 1.2%, 0.7%, and 0.5%, with the Nasdaq setting an intraday high mark. Every S&P 500 sector but Health Care finished in the green." (https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-10022026-12153808). AP News headline summary: "The S&P 500 climbed 0.7% Friday… The Dow Jones Industrial Average added 0.5%, and the Nasdaq composite rose 1.2%." (https://apnews.com/article/wall-street-stocks-dow-nasdaq-48e9066481cba91a5d7c6688aa74a5cd).

ETF-proxy confirmation from finance_data (tool-tagged, all last_bar 2026-10-02):

Weekly note: Dow and S&P 500 finished the week lower (−1.3% and −0.3%), while Nasdaq logged a third straight weekly gain (+0.5%) — Investopedia, same URL.

Source conflict flagged (background only): tickerdaily.com ("S&P 500 down 0.47%, Nasdaq up 0.62%") and stocksignal24.com ("S&P 500 rallied 0.77% to close at 713.94") contradict the four-source consensus above and appear unreliable/erroneous; excluded from the findings.

…(truncated — the summary above captures the substance)

Investigation Trail

Round 0

Sources

Trace Index

Tool-call traces are persisted under /srv/swarm_web_runs/run-1791133984485-0008/finance_output/traces.

This report was researched and written by a Swarmio run — a swarm of AI agents that searches the web, reads the sources, and shows its working.

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