The Week in Brief
- Nasdaq-100 (QQQ) rose 0.7% while Dow (DIA) fell 1.2%; S&P 500 (SPY) slipped 0.2%
- Technology (XLK) gained 1.8%, led by large-cap strength; Financials (XLF) fell 2.5%
- Kodiak Sciences Inc ($KOD) rose 192.0%, Lumentum Holdings Inc ($LITE) added 15.3%
- Corteva Inc ($CTVA) fell 84.8% after spinning off seed business on October 1
- Breadth negative: 808 advancers vs 1,123 decliners; median stock lost 0.6%
Major indexes diverged in the week ending October 2, with the Nasdaq-100 (QQQ) rising 0.7% to close at $749.58 while the Dow Jones (DIA) fell 1.2% to $511.10. The S&P 500 (SPY) declined 0.2% to $769.64, and the Russell 2000 (IWM) slipped 0.2% to $281.52. Market breadth tilted negative, with 808 advancers and 1,123 decliners across the 1,938-stock universe; the median stock lost 0.6%. Treasuries sold off as the 20-plus-year bond ETF (TLT) fell 2.3%, while Gold (GLD) dropped 3.4% and Crude Oil (USO) edged down 0.7%.
Index & Asset Scoreboard
Weekly price change of the major index and asset-class ETFs, Friday close to Friday close.
| Instrument | Oct 2 close | Week |
|---|---|---|
| S&P 500 (SPY) | $769.64 | ▼-0.22% |
| Nasdaq-100 (QQQ) | $749.58 | ▲+0.68% |
| Dow Jones (DIA) | $511.10 | ▼-1.23% |
| Russell 2000 (IWM) | $281.52 | ▼-0.16% |
| 20+ Yr Treasuries (TLT) | $77.48 | ▼-2.32% |
| Gold (GLD) | $380.14 | ▼-3.37% |
| Crude Oil (USO) | $147.37 | ▼-0.65% |
Sector Rotation
Technology (XLK) led all sectors with a 1.8% gain, supported by broad participation as 194 of 265 Information Technology stocks in the screen advanced and the group averaged a 2.7% gain. Energy (XLE) rose 1.3% and Utilities (XLU) added 0.8%. At the bottom, Financials (XLF) declined 2.5% with only 83 of 337 stocks advancing and an average loss of 1.6%. Health Care (XLV) fell 2.7%, Materials (XLB) dropped 1.9%, and Real Estate (XLRE) lost 1.8%, each showing negative breadth ratios.
Left: the ten SPDR sector ETFs ranked by weekly price change. Right: breadth inside each sector across the screened universe — how many of its stocks rose, and the average move.
| Sector ETF | Week |
|---|---|
| Technology (XLK) | ▲+1.80% |
| Energy (XLE) | ▲+1.26% |
| Utilities (XLU) | ▲+0.81% |
| Industrials (XLI) | ▼-0.28% |
| Consumer Disc. (XLY) | ▼-0.47% |
| Real Estate (XLRE) | ▼-1.80% |
| Consumer Staples (XLP) | ▼-1.86% |
| Materials (XLB) | ▼-1.89% |
| Financials (XLF) | ▼-2.46% |
| Health Care (XLV) | ▼-2.65% |
| Sector (stocks) | Adv / Total | Avg move |
|---|---|---|
| Information Technology | 194 / 265 | +2.72% |
| Energy | 50 / 98 | +0.61% |
| Utilities | 43 / 61 | +0.40% |
| Industrials | 157 / 318 | -0.07% |
| Consumer Discretionary | 87 / 213 | -0.36% |
| Health Care | 99 / 289 | -0.67% |
| Consumer Staples | 35 / 86 | -0.76% |
| Financials | 83 / 337 | -1.55% |
| Real Estate | 24 / 107 | -1.73% |
| Communication | 19 / 69 | -2.35% |
| Materials | 16 / 93 | -3.34% |
Top 10 Winners
Kodiak Sciences Inc ($KOD, Health Care) topped all gainers with a 192.0% weekly rise to close at $94.45. Other large moves included Iovance Biotherapeutics Inc ($IOVA, Health Care), up 29.2%, and Lindblad Expeditions Holdings Inc ($LIND, Consumer Discretionary), which rose 22.3%. Among large-caps, Lumentum Holdings Inc ($LITE, Information Technology) gained 15.3%, Synopsys Inc ($SNPS, Information Technology) added 15.1%, and Royal Caribbean Cruises Ltd ($RCL, Consumer Discretionary) rose 14.4%. On the downside, Corteva Inc ($CTVA, Materials) fell 84.8% to close at $11.92 after spinning off its seed business on October 1; existing shareholders received shares of the separated company, so the price change does not include the value of the seed business. Liquidia Corp ($LQDA, Health Care) declined 58.2%, and Fair Isaac Corp ($FICO, Information Technology) dropped 23.4%. Large-cap decliners included Applovin Corp ($APP, Information Technology), down 13.7%, and Western Digital Corp ($WDC, Information Technology), which fell 9.1%.
Largest weekly gains among US-listed stocks with market cap above $1B and share price above $5. Context shows the week's earnings result and latest tracked headline where available.
Biggest gainers · Sep 25–Oct 2
| Symbol | Week | Context |
|---|---|---|
| KODKodiak Sciences Inc$94.45 | ▲+191.96% | — |
| IOVAIovance Biotherapeutics Inc$14.21 | ▲+29.23% | — |
| LINDLindblad Expeditions Holdings Inc$34.78 | ▲+22.25% | — |
| IBRXImmunitybio Inc$10.29 | ▲+21.86% | — |
| ACLSAxcelis Technologies Inc$147.77 | ▲+20.03% | — |
| RXORXO Inc$23.38 | ▲+18.14% | — |
| SYNASynaptics Inc$121.10 | ▲+17.89% | — |
| MTRNMaterion Corp$312.16 | ▲+17.81% | — |
| VSHVishay Intertechnology Inc$38.18 | ▲+17.30% | — |
| IDTIDT Corp$78.98 | ▲+17.08% | EPS miss -5.0% |
Top 10 Losers
Largest weekly declines on the same screen.
Biggest decliners · Sep 25–Oct 2
| Symbol | Week | Context |
|---|---|---|
| CTVACorteva Inc$11.92 | ▼-84.82% | Corporate actionCorteva spun off its seed business on October 1, 2026 and continued as a focused crop protection company. In a spin-off, existing shareholders receive shares of the separated company, so this price change does not include the value of the seed business. |
| LQDALiquidia Corp$28.64 | ▼-58.15% | — |
| OCULOcular Therapeutix Inc$6.96 | ▼-27.88% | — |
| FICOFair Isaac Corp$661.25 | ▼-23.39% | — |
| NESRNational Energy Services Reunited Corp$24.67 | ▼-23.22% | — |
| IARTIntegra Lifesciences Holdings Corp$12.68 | ▼-21.34% | — |
| WGSGeneDx Holdings Corp$73.09 | ▼-17.32% | — |
| WLFCWillis Lease Finance Corp$45.67 | ▼-15.94% | — |
| VKTXViking Therapeutics Inc$29.94 | ▼-15.80% | — |
| DKNGDraftkings Inc$18.59 | ▼-15.58% | — |
Large-Cap Movers
The same ranking restricted to companies above $50B in market cap — the names most likely to sit in index funds and 401(k)s.
Large-cap gainers
- LITELumentum Holdings Inc · $84.8B▲+15.27%
- SNPSSynopsys Inc · $81.6B▲+15.06%
- RCLRoyal Caribbean Cruises Ltd · $64.9B▲+14.44%
- COHRCoherent Corp · $66.0B▲+13.93%
- ACNAccenture PLC · $121.7B▲+12.94%
Large-cap decliners
- APPApplovin Corp · $97.2B▼-13.69%
- WDCWestern Digital Corp · $183.7B▼-9.09%
- QCOMQualcomm Inc · $212.1B▼-8.47%
- STXSeagate Technology Holdings PLC · $208.5B▼-7.40%
- SPOTSpotify Technology SA · $105.0B▼-7.28%
Earnings Movers
Eighteen screened companies reported earnings during the week, with post-earnings reactions mixed. Carnival Corp ($CCL, Consumer Discretionary) rose 15.8% after beating earnings by 4.4%, and Accenture PLC ($ACN, Information Technology) gained 12.9% following a 2.4% earnings beat. On the other hand, Nike Inc ($NKE, Consumer Discretionary) fell 5.3% despite a 10.0% earnings beat. Several companies declined even after beating estimates, including AAR Corp ($AIR, Industrials), down 11.7% after a 14.7% beat, and Conagra Brands Inc ($CAG, Consumer Staples), which fell 6.7% despite a 43.2% earnings beat. IDT Corp ($IDT, Communication) rose 17.1% despite missing earnings by 5.0%.
18 companies in the screen reported quarterly results this week. These are the largest weekly moves among them, with the EPS surprise that accompanied them.
Biggest gains after reporting
| Symbol | Act / Est | Surprise | Week |
|---|---|---|---|
| IDTIDT Corp | $0.94$0.99 | -5.0% | ▲+17.08% |
| CCLCarnival Corp | $1.43$1.37 | +4.4% | ▲+15.78% |
| ACNAccenture PLC | $3.29$3.21 | +2.4% | ▲+12.94% |
| MTNVail Resorts Inc | $-5.34$-5.33 | -0.3% | ▲+3.71% |
| MUMicron Technology Inc | $33.42$32.56 | +2.6% | ▼-0.68% |
Biggest declines after reporting
| Symbol | Act / Est | Surprise | Week |
|---|---|---|---|
| AIRAAR Corp | $1.49$1.30 | +14.7% | ▼-11.71% |
| CNXCConcentrix Corp | $2.92$2.76 | +5.8% | ▼-8.01% |
| CAGConagra Brands Inc | $0.41$0.29 | +43.2% | ▼-6.70% |
| PRGSProgress Software Corp | $1.69$1.55 | +9.4% | ▼-6.20% |
| NKENike Inc | $0.48$0.44 | +10.0% | ▼-5.26% |
Methodology & Disclaimer
Data. All figures come from Money365.Market's own daily price, earnings and analyst-recommendation records, captured at each US close. Returns are price returns from the Sep 25 close to the Oct 2 close; dividends are excluded.
Screen. 1,938 US-listed common stocks with market capitalization of at least $1B and a closing price of at least $5, with prices on at least three of the week's 5 trading days. ETFs and funds are excluded from the stock rankings.
Adjustments. Weekly moves are compounded from daily changes and cross-checked against closing prices; where the two disagree (stock splits, data corrections) the smaller move is used and the row is marked with an asterisk.
Narrative. The short prose sections were drafted by an AI model from the verified data above only, then checked automatically for number and ticker traceability, editorial tone and FCA financial-promotion wording before publication.
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