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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 (9/26/2025, 8:17:19 PM)

Premarket: 138.99 +0.86 (+0.62%)

138.13

+3.37 (+2.5%)


CENTENE CORP

NYSE:CNC (9/26/2025, 8:04:00 PM)

Premarket: 34.91 +0.05 (+0.14%)

34.86

+0.47 (+1.37%)


MOLINA HEALTHCARE INC

NYSE:MOH (9/26/2025, 8:13:18 PM)

After market: 189 -2.98 (-1.55%)

191.98

+2.68 (+1.42%)


UNITEDHEALTH GROUP INC

NYSE:UNH (9/26/2025, 8:04:00 PM)

Premarket: 345.5 +1.42 (+0.41%)

344.08

-1.48 (-0.43%)


DR HORTON INC

NYSE:DHI (9/26/2025, 8:04:00 PM)

Premarket: 168.52 +1.32 (+0.79%)

167.2

+2.2 (+1.33%)


LENNAR CORP-A

NYSE:LEN (9/26/2025, 8:06:47 PM)

After market: 126.35 +0.31 (+0.25%)

126.04

+2.02 (+1.63%)


INTEL CORP

NASDAQ:INTC (9/26/2025, 8:00:38 PM)

Premarket: 35.05 -0.45 (-1.27%)

35.5

+1.51 (+4.44%)


APPLIED MATERIALS INC

NASDAQ:AMAT (9/26/2025, 8:00:00 PM)

Premarket: 206.51 +2.59 (+1.27%)

203.92

+4.32 (+2.16%)


KLA CORP

NASDAQ:KLAC (9/26/2025, 8:05:54 PM)

After market: 1064.29 0 (0%)

1064.29

+5.19 (+0.49%)


LAM RESEARCH CORP

NASDAQ:LRCX (9/26/2025, 8:07:50 PM)

Premarket: 131.97 +3.64 (+2.84%)

128.33

+0.2 (+0.16%)


AMEREN CORPORATION

NYSE:AEE (9/26/2025, 8:04:00 PM)

Premarket: 102.4 +0.3 (+0.29%)

102.1

+1.32 (+1.31%)


ALLEGION PLC

NYSE:ALLE (9/26/2025, 8:04:00 PM)

Premarket: 175.72 +0.71 (+0.41%)

175.01

+2.04 (+1.18%)


ELEVANCE HEALTH INC

NYSE:ELV (9/26/2025, 8:04:00 PM)

After market: 318.61 0 (0%)

318.61

+1.91 (+0.6%)



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