Exploring the top movers within the S&P500 index during today's session.

By Mill Chart

Last update: Jan 8, 2026

Join us in exploring the top gainers and losers within the S&P500 index in the middle of the day on Thursday as we examine the latest happenings in today's session.


topmovers

Today's top gainers

TickerChangeComment
SW7.24%SMURFIT WESTROCK PLC (NYSE:SW) witnessed a notable 7.24% uptick in its shares, reaching $42.51 during Thursday's session. The stock is trading 23.43% lower than a year ago.
HII5.81%With a 5.81% surge, HUNTINGTON INGALLS INDUSTRIE's (NYSE:HII) stock price reached $377.16 during Thursday's session, signaling positive momentum. Yesterday the company had a press release: HII Hosts Secretary of The Navy and Top Naval Leaders at Ingalls Shipbuilding.
BLDR5.76%BUILDERS FIRSTSOURCE INC's (NYSE:BLDR) stock price is advancing with 5.76% to a price of $111.1. Shareholders saw the stock price going 21.18% lower is the past 6 months.
BG5.37%BUNGE GLOBAL SA (NYSE:BG) witnessed a notable 5.37% uptick in its shares, reaching $97.56 during Thursday's session. In the last 6 months the stock gained 20.65%.
DE5.37%DEERE & CO's (NYSE:DE) shares rose 5.37% to $500.69.
GNRC5.3%GENERAC HOLDINGS INC (NYSE:GNRC) rose 5.3% to $149.38 during Thursday's after hours session.
LHX5.29%In an impressive move, L3HARRIS TECHNOLOGIES INC's (NYSE:LHX) shares recorded a 5.29% increase, closing at $326.14 during Thursday's session. In the last year the stock gained 48.72%.
BBY5.27%BEST BUY CO INC's (NYSE:BBY) shares rose 5.27% to $72.46 during Thursday's session.
LYB5.17%LYONDELLBASELL INDU-CL A's (NYSE:LYB) shares rose 5.17% to $47.23. In the last 6 months the stock lost 30.43%.
COST5.17%Investors celebrated as COSTCO WHOLESALE CORP (NASDAQ:COST) experienced a 5.17% rise in its shares, closing at $928.17 during Thursday's session.

For the full top gainers list go to our top gainers page.

Top losers

TickerChangeComment
SNDK-9.08%There was a downturn in SANDISK CORP's (NASDAQ:SNDK) shares, as they experienced a 9.08% decline, closing at $321.47 during Thursday's session. Shareholders saw the stock price going 56.81% higher in the past month.
WDC-8.32%WESTERN DIGITAL CORP's (NASDAQ:WDC) stock price is declining with 8.32% to a price of $183.25. In the last 3 months the share price increased with 73.18%.
STX-8.27%SEAGATE TECHNOLOGY HOLDINGS's (NASDAQ:STX) stock price faced a 8.27% decline, reaching $282.76 during Thursday's session. Shareholders saw the stock price going 43.79% higher in the past 3 months.
DDOG-6.22%DATADOG INC - CLASS A's (NASDAQ:DDOG) stock price faced a 6.22% decline, reaching $132.65 during Thursday's session.
ADSK-5.84%Investors witnessed a 5.84% decrease in AUTODESK INC's (NASDAQ:ADSK) stock price, which closed at $276.62 during Thursday's session.
FIX-5.16%There was a notable decline in COMFORT SYSTEMS USA INC's (NYSE:FIX) shares, as they dropped 5.16% to $981.73 during Thursday's session. Shareholders saw the stock price going 26.84% higher in the past 3 months.
EQT-4.88%EQT CORP's (NYSE:EQT) stock price decreased by 4.88% to $51.83.
GEV-4.68%Investors witnessed a 4.68% drop in GE VERNOVA INC's (NYSE:GEV) stock price, which closed at $631.34 during Thursday's session. In the last 6 months the share price increased with 22.84%.
ANET-4.59%ARISTA NETWORKS INC's (NYSE:ANET) stock price decreased by 4.59% to $124.11.
LDOS-4.31%LEIDOS HOLDINGS INC's (NYSE:LDOS) stock price decreased by 4.31% to $188.13. In the last 6 months the stock gained 21.33%.

For the full top loser list go to our top losers page.

BUNGE GLOBAL SA

NYSE:BG (1/16/2026, 8:04:00 PM)

After market: 107.81 0 (0%)

107.81

-1.02 (-0.94%)


DEERE & CO

NYSE:DE (1/16/2026, 8:06:09 PM)

After market: 514.4 0 (0%)

514.4

-0.64 (-0.12%)


COMFORT SYSTEMS USA INC

NYSE:FIX (1/16/2026, 9:50:56 PM)

After market: 1124.66 +4.68 (+0.42%)

1119.98

+28.94 (+2.65%)


BEST BUY CO INC

NYSE:BBY (1/16/2026, 8:04:00 PM)

After market: 67.59 -0.17 (-0.25%)

67.76

-0.38 (-0.56%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (1/16/2026, 8:04:00 PM)

After market: 126.25 -0.54 (-0.43%)

126.79

-2.17 (-1.68%)


COSTCO WHOLESALE CORP

NASDAQ:COST (1/16/2026, 8:02:25 PM)

After market: 962.557 -1.05 (-0.11%)

963.61

+6.86 (+0.72%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (1/16/2026, 8:00:00 PM)

After market: 326.55 +0.32 (+0.1%)

326.23

+5.91 (+1.85%)


WESTERN DIGITAL CORP

NASDAQ:WDC (1/16/2026, 8:00:02 PM)

After market: 222 +0.49 (+0.22%)

221.51

-0.59 (-0.27%)


SANDISK CORP

NASDAQ:SNDK (1/16/2026, 8:00:02 PM)

After market: 415.98 +2.36 (+0.57%)

413.62

+4.38 (+1.07%)


AUTODESK INC

NASDAQ:ADSK (1/16/2026, 8:00:00 PM)

After market: 265.64 -0.05 (-0.02%)

265.69

+3.43 (+1.31%)


EQT CORP

NYSE:EQT (1/16/2026, 8:10:03 PM)

After market: 50.5959 +0.06 (+0.11%)

50.54

+0.62 (+1.24%)


GENERAC HOLDINGS INC

NYSE:GNRC (1/16/2026, 8:23:40 PM)

After market: 161.35 +0.5 (+0.31%)

160.85

-0.58 (-0.36%)


HUNTINGTON INGALLS INDUSTRIE

NYSE:HII (1/16/2026, 8:25:29 PM)

After market: 427.87 +1.97 (+0.46%)

425.9

+7.04 (+1.68%)


LEIDOS HOLDINGS INC

NYSE:LDOS (1/16/2026, 8:04:00 PM)

After market: 194.7 0 (0%)

194.7

+1.34 (+0.69%)


ARISTA NETWORKS INC

NYSE:ANET (1/16/2026, 8:04:00 PM)

After market: 129.5 -0.33 (-0.25%)

129.83

-0.76 (-0.58%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (1/16/2026, 8:04:00 PM)

After market: 51.01 +0.1 (+0.2%)

50.91

+0.03 (+0.06%)


L3HARRIS TECHNOLOGIES INC

NYSE:LHX (1/16/2026, 8:04:00 PM)

After market: 347.686 +1.23 (+0.35%)

346.46

+6.04 (+1.77%)


DATADOG INC - CLASS A

NASDAQ:DDOG (1/16/2026, 8:05:52 PM)

After market: 119.19 +0.17 (+0.14%)

119.02

-1.84 (-1.52%)


GE VERNOVA INC

NYSE:GEV (1/16/2026, 8:22:41 PM)

After market: 682.33 +0.78 (+0.11%)

681.55

+39.32 (+6.12%)


SMURFIT WESTROCK PLC

NYSE:SW (1/16/2026, 8:04:00 PM)

After market: 43.6691 +0.96 (+2.25%)

42.71

-0.62 (-1.43%)



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