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 (2/27/2026, 8:23:22 PM)

After market: 177 +0.12 (+0.07%)

176.88

+1.27 (+0.72%)


CENTENE CORP

NYSE:CNC (2/27/2026, 8:04:00 PM)

After market: 44.5 -0.38 (-0.85%)

44.88

+1.95 (+4.54%)


MOLINA HEALTHCARE INC

NYSE:MOH (2/27/2026, 8:20:50 PM)

After market: 152 -2.05 (-1.33%)

154.05

+7.69 (+5.25%)


UNITEDHEALTH GROUP INC

NYSE:UNH (2/27/2026, 8:04:00 PM)

After market: 292.14 -1.13 (-0.39%)

293.27

+6.61 (+2.31%)


DR HORTON INC

NYSE:DHI (2/27/2026, 8:04:00 PM)

After market: 160.005 -0.38 (-0.24%)

160.39

+1.42 (+0.89%)


LENNAR CORP-A

NYSE:LEN (2/27/2026, 8:15:22 PM)

After market: 114.36 0 (0%)

114.36

+2.36 (+2.11%)


INTEL CORP

NASDAQ:INTC (2/27/2026, 8:11:28 PM)

After market: 45.39 -0.22 (-0.48%)

45.61

+0.15 (+0.33%)


APPLIED MATERIALS INC

NASDAQ:AMAT (2/27/2026, 8:00:00 PM)

After market: 371.51 -0.79 (-0.21%)

372.3

-3.42 (-0.91%)


KLA CORP

NASDAQ:KLAC (2/27/2026, 8:14:48 PM)

After market: 1514 -10.55 (-0.69%)

1524.55

+0.24 (+0.02%)


LAM RESEARCH CORP

NASDAQ:LRCX (2/27/2026, 8:16:02 PM)

After market: 233.45 -0.44 (-0.19%)

233.89

-5.18 (-2.17%)


AMEREN CORPORATION

NYSE:AEE (2/27/2026, 8:04:00 PM)

After market: 113.28 0 (0%)

113.28

+1.25 (+1.12%)


ALLEGION PLC

NYSE:ALLE (2/27/2026, 8:04:00 PM)

After market: 161.15 0 (0%)

161.15

+0.74 (+0.46%)


ELEVANCE HEALTH INC

NYSE:ELV (2/27/2026, 8:04:00 PM)

After market: 320 0 (0%)

320

-3.05 (-0.94%)



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