Biggest stock movers today: Mosaic (MOS) +17.37% leads the S&P 500 (November 4, 2026)

U.S. stocks closed sharply higher on Wednesday, with the Dow Jones Industrial Average leading gains at +3.03%. The S&P 500 rose +1.58% to 7,688.62, while the Nasdaq added +1.44%. Market breadth was strongly positive, with 373 advancers against 126 decliners among S&P 500 constituents.

Today's top S&P 500 gainers
TickerCompanyPrice ($)ChangeWeek to dateDollar volume
MOSMosaic21.62+17.37%+17.56%$480M
XYZBlock87.63+15.30%+14.97%$1.8B
ZBHZimmer Biomet110.15+13.49%+16.54%$679M
MRNAModerna258.38+13.11%+16.53%$3.8B
SWKStanley Black &118.33+13.10%+14.39%$766M
CDWCDW168.75+12.67%+9.73%$573M
CNCCentene76.01+12.64%+11.04%$1.1B
UHSUniversal Health Services196.46+10.91%+11.59%$350M
JKHYJack Henry &179.16+10.83%+11.04%$266M
APPAppLovin271.75+10.69%+18.93%$2.8B
Today's biggest S&P 500 decliners
TickerCompanyPrice ($)ChangeWeek to dateDollar volume
FISFidelity National Information29.76-23.67%-22.80%$1.1B
TRMBTrimble54.25-17.31%-16.46%$373M
FIXComfort Systems USA1,091.31-15.08%-11.47%$1.8B
DDOGDatadog188.72-14.42%-19.79%$2.5B
VSTVistra120.29-13.83%-13.07%$2.4B
NRGNRG Energy83.25-13.52%-13.34%$860M
TPLTexas Pacific Land287.65-13.36%-13.27%$335M
VRTVertiv205.55-12.89%-11.59%$2.6B
CVSCVS Health79.96-12.53%-11.40%$2.7B
FLEXFlex77.24-12.33%-10.68%$603M
Indices, futures, rates and commodities
MarketLastChangeWeek to date
S&P 5007,688.62+1.58%+1.43%
Nasdaq25,736.51+1.44%+1.18%
Dow Jones53,356.12+3.03%+3.06%
Russell 20002,856.95+1.58%+1.60%
VIX16.61-20.26%-
10-year yield (%)4.89-1.17%-
US Dollar Index101.50-0.36%-
Gold ($/oz)4,075.50+3.43%-
WTI crude ($)88.47-7.93%-
Bitcoin ($)80,030.16+3.47%-

How did the major stock indexes perform today?

The Dow Jones Industrial Average gained +3.03% to 53,356.12, the S&P 500 rose +1.58% to 7,688.62, the Nasdaq advanced +1.44% to 25,736.51, and the Russell 2000 added +1.58% to 2,856.95. All four major indices closed higher.

Wednesday's session saw broad-based gains across the major U.S. stock indices. The Dow Jones Industrial Average outperformed with a +3.03% increase, closing at 53,356.12. The S&P 500 finished at 7,688.62, up +1.58%, while the Nasdaq Composite rose +1.44% to 25,736.51. The Russell 2000, representing smaller-cap stocks, also gained +1.58% to end at 2,856.95.

Market breadth was positive, with 373 S&P 500 constituents advancing, 126 declining, and 3 unchanged. The CBOE Volatility Index (VIX) fell -20.26% to 16.61, indicating lower expected volatility. The 10-year Treasury yield edged down -1.17% to 4.894%, and the U.S. Dollar Index slipped -0.36% to 101.503.

Which S&P 500 stocks gained the most today?

Mosaic (MOS) led gains with a +17.37% rise to 21.62, followed by Block (XYZ) at +15.30% to 87.63, Zimmer Biomet (ZBH) at +13.49% to 110.15, Moderna (MRNA) at +13.11% to 258.38, and Stanley Black & Decker (SWK) at +13.10% to 118.33.

Among S&P 500 constituents, Mosaic (MOS) posted the largest daily gain, rising +17.37% to close at 21.62 on dollar volume of $479.6M. Block (XYZ) climbed +15.30% to 87.63 with $1.8B in dollar volume. Zimmer Biomet (ZBH) added +13.49% to 110.15, while Moderna (MRNA) gained +13.11% to 258.38 on heavy dollar volume of $3.8B. Stanley Black & Decker (SWK) rose +13.10% to 118.33.

Other notable gainers included CDW (CDW) up +12.67% to 168.75, Centene (CNC) up +12.64% to 76.01, Universal Health Services (UHS) up +10.91% to 196.46, Jack Henry & Associates (JKHY) up +10.83% to 179.16, and AppLovin (APP) up +10.69% to 271.75. The reasons for these individual moves are not in our data; readers can check company SEC filings and press releases.

Which S&P 500 stocks fell the most today?

Fidelity National Information (FIS) led decliners with a -23.67% drop to 29.76, followed by Trimble (TRMB) at -17.31% to 54.25, Comfort Systems USA (FIX) at -15.08% to 1,091.31, Datadog (DDOG) at -14.42% to 188.72, and Vistra (VST) at -13.83% to 120.29.

Fidelity National Information (FIS) recorded the steepest decline among S&P 500 stocks, falling -23.67% to 29.76 on dollar volume of $1.1B. Trimble (TRMB) dropped -17.31% to 54.25, and Comfort Systems USA (FIX) lost -15.08% to 1,091.31. Datadog (DDOG) declined -14.42% to 188.72, while Vistra (VST) fell -13.83% to 120.29.

Other notable losers included NRG Energy (NRG) down -13.52% to 83.25, Texas Pacific Land (TPL) down -13.36% to 287.65, Vertiv (VRT) down -12.89% to 205.55, CVS Health (CVS) down -12.53% to 79.96, and Flex (FLEX) down -12.33% to 77.24. The reasons for these moves are not in our data; readers should consult company filings and announcements.

What are the week-to-date winners and losers in the S&P 500?

For the week starting November 2, Idexx Laboratories (IDXX) leads with a +26.73% gain, followed by Fiserv (FISV) at +24.05% and AppLovin (APP) at +18.93%. On the downside, Lumentum (LITE) is the worst performer at -25.45%, followed by Fidelity National Information (FIS) at -22.80% and Datadog (DDOG) at -19.79%.

Week-to-date, Idexx Laboratories (IDXX) has surged +26.73% to 698.55, while Fiserv (FISV) has gained +24.05% to 62.05. AppLovin (APP) is up +18.93% to 271.75, Mosaic (MOS) has risen +17.56% to 21.62, and Zimmer Biomet (ZBH) has added +16.54% to 110.15. Moderna (MRNA) and Stryker (SYK) also show strong weekly gains of +16.53% and +16.37%, respectively.

Among weekly decliners, Lumentum (LITE) has fallen -25.45% to 626.75, Fidelity National Information (FIS) has dropped -22.80% to 29.76, and Datadog (DDOG) has declined -19.79% to 188.72. Marvell Technology (MRVL) is down -18.64% to 159.80, and Trimble (TRMB) has lost -16.46% to 54.25. The S&P 500 index itself is up +1.43% for the week.

Frequently asked questions

What happened to the stock market today?

All major U.S. indices closed higher on Wednesday, with the Dow up +3.03%, the S&P 500 up +1.58%, the Nasdaq up +1.44%, and the Russell 2000 up +1.58%. Market breadth was positive, with 373 advancers and 126 decliners among S&P 500 stocks.

Which stock had the biggest gain in the S&P 500 today?

Mosaic (MOS) was the top gainer, rising +17.37% to close at 21.62. Block (XYZ) and Zimmer Biomet (ZBH) also posted strong gains of over 13%.

Which stock had the biggest loss in the S&P 500 today?

Fidelity National Information (FIS) was the worst performer, falling -23.67% to 29.76. Trimble (TRMB) and Comfort Systems USA (FIX) also declined significantly, each down more than 15%.

Bottom line

Wednesday's session featured broad gains across major indices, with the Dow leading and volatility measures declining. Individual stock moves were wide-ranging, with several double-digit percentage changes in both directions. Past performance does not guarantee future results. Live tables are updated during the session on our stock market page.

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