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

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 (1/23/2026, 8:24:30 PM)

After market: 181.081 -0.57 (-0.31%)

181.65

+1.38 (+0.77%)


CENTENE CORP

NYSE:CNC (1/23/2026, 8:04:00 PM)

After market: 45.69 -0.4 (-0.87%)

46.09

+0.67 (+1.48%)


MOLINA HEALTHCARE INC

NYSE:MOH (1/23/2026, 8:20:27 PM)

After market: 201.89 0 (0%)

201.89

+3.14 (+1.58%)


UNITEDHEALTH GROUP INC

NYSE:UNH (1/23/2026, 8:04:00 PM)

After market: 355.017 -1.24 (-0.35%)

356.26

+1.79 (+0.5%)


DR HORTON INC

NYSE:DHI (1/23/2026, 8:04:00 PM)

After market: 150.29 -0.22 (-0.15%)

150.51

-5.23 (-3.36%)


LENNAR CORP-A

NYSE:LEN (1/23/2026, 8:11:58 PM)

After market: 111.56 -0.28 (-0.25%)

111.84

-2.87 (-2.5%)


INTEL CORP

NASDAQ:INTC (1/23/2026, 8:05:46 PM)

After market: 44.25 -0.82 (-1.82%)

45.07

-9.25 (-17.03%)


APPLIED MATERIALS INC

NASDAQ:AMAT (1/23/2026, 8:00:00 PM)

After market: 321.23 -1.15 (-0.36%)

322.38

+3.59 (+1.13%)


KLA CORP

NASDAQ:KLAC (1/23/2026, 8:11:03 PM)

After market: 1510.01 -2.77 (-0.18%)

1512.78

+12.78 (+0.85%)


LAM RESEARCH CORP

NASDAQ:LRCX (1/23/2026, 8:12:59 PM)

After market: 216.011 -1.93 (-0.89%)

217.94

-2.76 (-1.25%)


AMEREN CORPORATION

NYSE:AEE (1/23/2026, 8:04:00 PM)

After market: 102.32 0 (0%)

102.32

-0.58 (-0.56%)


ALLEGION PLC

NYSE:ALLE (1/23/2026, 8:04:00 PM)

After market: 166.8 0 (0%)

166.8

-0.12 (-0.07%)


ELEVANCE HEALTH INC

NYSE:ELV (1/23/2026, 8:04:00 PM)

After market: 371.06 0 (0%)

371.06

-1.18 (-0.32%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube