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What's going on in today's after hours session: S&P500 movers

By Mill Chart

Last update: Aug 14, 2025

The regular session of the US market on Thursday is now over, but let's get a preview of the after-hours session and explore the top S&P500 gainers and losers driving the post-market movements.


postmarket

Today's after hours gainers

TickerChangeComment
UNH8.26%In the after-hours session on Thursday, UNITEDHEALTH GROUP INC (NYSE:UNH) experienced a notable 8.26% increase, driving its shares to $293.91. Two days ago the company had a press release: UnitedHealth Group Board Authorizes Payment of Quarterly Dividend.
NUE7.02%In the after-hours session on Thursday, NUCOR CORP (NYSE:NUE) experienced a notable 7.02% increase, driving its shares to $154.49. Shareholders saw the stock price going 24.27% higher in the past 3 months.
CNC4.31%CENTENE CORP (NYSE:CNC) rose 4.31% to $28.09 during Thursday's after hours session. Earlier today the company had a press release: September 8, 2025 Deadline: Contact Levi & Korsinsky to Join Class Action Suit Against CNC.
MOH3.99%MOLINA HEALTHCARE INC (NYSE:MOH) showcases remarkable after-hours performance, with a 3.99% rise to $166.0 during Thursday's after-hours trading. The stock is trading 21.85% lower than a month ago.
LEN3.49%LENNAR CORP-A's (NYSE:LEN) stock price is advancing with 3.49% to a price of $135.0. In the last year the stock lost 24.05%.
ELV3.24%Positive market activity for ELEVANCE HEALTH INC (NYSE:ELV) after regular trading hours, with a 3.24% increase to $305.0 in the after-hours session on Thursday. The stock is trading 26.75% lower than 3 months ago.
DHI2.92%Positive market activity for DR HORTON INC (NYSE:DHI) after regular trading hours, with a 2.92% increase to $168.68 in the after-hours session on Thursday. The stock is trading 24.5% higher than a month ago.
ALLE2.86%ALLEGION PLC's (NYSE:ALLE) shares rose 2.86% to $173.37. A press release (Allegion Acquires Brisant, Leading UK Provider of Residential Security Hardware) was released two days ago.
INTC2.51%Positive market activity for INTEL CORP (NASDAQ:INTC) after regular trading hours, with a 2.51% increase to $24.46 in the after-hours session on Thursday.

To see the full list of after hours gainers you can use our after hours gainers page.

After hours losers

TickerChangeComment
AMAT-12.54%APPLIED MATERIALS INC's (NASDAQ:AMAT) stock price is showing a decline of 12.54% to a price of $164.64 during the after-hours session. yesterday the company released their earnings. Earlier today the company had a press release: Applied Materials Announces Third Quarter 2025 Results.
KLAC-6.01%Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for KLA CORP (NASDAQ:KLAC). The stock is trading 20.76% higher than 3 months ago.
LRCX-5.94%LAM RESEARCH CORP's (NASDAQ:LRCX) shares experienced a 5.94% decrease to $101.0 in the after-hours session. Shareholders saw the stock price going 27.18% higher in the past 3 months.
AEE-3.45%AMEREN CORPORATION's (NYSE:AEE) shares fell 3.45% to $97.93. In the last year the stock gained 23.54%.

To see the full list of after hours losers you can use our after hours losers page.

NUCOR CORP

NYSE:NUE (8/14/2025, 4:56:03 PM)

After market: 153.5 +9.15 (+6.34%)

144.35

-1.49 (-1.02%)


CENTENE CORP

NYSE:CNC (8/14/2025, 4:56:08 PM)

After market: 28.1 +1.17 (+4.34%)

26.93

-0.14 (-0.52%)


MOLINA HEALTHCARE INC

NYSE:MOH (8/14/2025, 4:53:00 PM)

After market: 166.9 +7.27 (+4.55%)

159.63

-1.58 (-0.98%)


UNITEDHEALTH GROUP INC

NYSE:UNH (8/14/2025, 4:56:09 PM)

After market: 292.5 +21.01 (+7.74%)

271.49

-0.32 (-0.12%)


DR HORTON INC

NYSE:DHI (8/14/2025, 4:55:47 PM)

After market: 168.36 +4.46 (+2.72%)

163.9

-1.65 (-1%)


LENNAR CORP-A

NYSE:LEN (8/14/2025, 4:54:36 PM)

After market: 135.7 +5.25 (+4.02%)

130.45

-0.44 (-0.34%)


INTEL CORP

NASDAQ:INTC (8/14/2025, 4:56:09 PM)

After market: 24.54 +0.68 (+2.85%)

23.86

+1.64 (+7.38%)


APPLIED MATERIALS INC

NASDAQ:AMAT (8/14/2025, 4:56:09 PM)

After market: 163.3 -24.94 (-13.25%)

188.24

-1.79 (-0.94%)


KLA CORP

NASDAQ:KLAC (8/14/2025, 4:48:58 PM)

After market: 898 -57.41 (-6.01%)

955.41

+5.93 (+0.62%)


LAM RESEARCH CORP

NASDAQ:LRCX (8/14/2025, 4:55:25 PM)

After market: 100.45 -6.93 (-6.45%)

107.38

+0.64 (+0.6%)


AMEREN CORPORATION

NYSE:AEE (8/14/2025, 4:37:10 PM)

After market: 97.9281 -3.5 (-3.45%)

101.43

-0.79 (-0.77%)


ALLEGION PLC

NYSE:ALLE (8/14/2025, 4:41:19 PM)

After market: 173.37 +4.82 (+2.86%)

168.55

-1.07 (-0.63%)


ELEVANCE HEALTH INC

NYSE:ELV (8/14/2025, 4:52:02 PM)

After market: 300 +4.57 (+1.55%)

295.43

+1 (+0.34%)



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