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 (3/13/2026, 8:04:00 PM)

After market: 163.48 0 (0%)

163.48

-2.19 (-1.32%)


CENTENE CORP

NYSE:CNC (3/13/2026, 8:18:07 PM)

After market: 34.65 +0.2 (+0.58%)

34.45

-0.12 (-0.35%)


MOLINA HEALTHCARE INC

NYSE:MOH (3/13/2026, 8:04:00 PM)

After market: 148.59 -0.61 (-0.41%)

149.2

+0.01 (+0.01%)


UNITEDHEALTH GROUP INC

NYSE:UNH (3/13/2026, 8:04:00 PM)

After market: 281.85 -0.24 (-0.09%)

282.09

+5.04 (+1.82%)


DR HORTON INC

NYSE:DHI (3/13/2026, 8:21:09 PM)

After market: 140.49 0 (0%)

140.49

+1.45 (+1.04%)


LENNAR CORP-A

NYSE:LEN (3/13/2026, 8:04:00 PM)

After market: 94.89 -0.07 (-0.07%)

94.96

+2.42 (+2.62%)


INTEL CORP

NASDAQ:INTC (3/13/2026, 8:00:02 PM)

After market: 45.71 -0.06 (-0.13%)

45.77

+0.52 (+1.15%)


APPLIED MATERIALS INC

NASDAQ:AMAT (3/13/2026, 8:09:38 PM)

After market: 340.716 -0.81 (-0.24%)

341.53

+4.26 (+1.26%)


KLA CORP

NASDAQ:KLAC (3/13/2026, 8:00:02 PM)

After market: 1416.71 -1.93 (-0.14%)

1418.64

+9.07 (+0.64%)


LAM RESEARCH CORP

NASDAQ:LRCX (3/13/2026, 8:00:00 PM)

After market: 212.02 -0.18 (-0.08%)

212.2

+2.71 (+1.29%)


AMEREN CORPORATION

NYSE:AEE (3/13/2026, 8:08:52 PM)

After market: 112.04 0 (0%)

112.04

+2.04 (+1.85%)


ALLEGION PLC

NYSE:ALLE (3/13/2026, 8:09:33 PM)

After market: 145.35 0 (0%)

145.35

-0.5 (-0.34%)


ELEVANCE HEALTH INC

NYSE:ELV (3/13/2026, 8:22:49 PM)

After market: 288 -3.63 (-1.24%)

291.63

+3.74 (+1.3%)



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