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

By Mill Chart

Last update: Aug 27, 2025

After the conclusion of the US market's regular session on Wednesday, let's examine the after-hours session and unveil the notable S&P500 performers among the top gainers and losers.


postmarket

Today's after hours losers

TickerChangeComment
COO-10.96%After today's %ABSPERF% drop, COOPER COS INC/THE (NASDAQ:COO) shows further decline during today's after-hours session with a 10.96% decrease. yesterday the company released their earnings. A press release (CooperCompanies Announces Third Quarter 2025 Results) was released earlier today.
CRWD-7.1%CROWDSTRIKE HOLDINGS INC - A's (NASDAQ:CRWD) shares fell 7.1% to $392.59 during Wednesday's after hours session. CROWDSTRIKE HOLDINGS INC - A released earnings Yesterday. A press release (CrowdStrike Reports Second Quarter Fiscal Year 2026 Financial Results) was released earlier today.
NTAP-6.61%The after-hours session reflects NETAPP INC (NASDAQ:NTAP)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. yesterday the company released their earnings. Earlier today the company had a press release: NetApp Reports First Quarter of Fiscal Year 2026 Results.
HPQ-3.91%After today's %ABSPERF% drop, HP INC (NYSE:HPQ) shows further decline during today's after-hours session with a 3.91% decrease. HP INC released earnings Yesterday. In the last year the stock lost 25.07%.
NVDA-3.51%The after-hours session reflects NVIDIA CORP (NASDAQ:NVDA)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. NVIDIA CORP released earnings Yesterday. In the last 3 months the stock gained 34.39%.
SMCI-2.48%Price volatility persists as SUPER MICRO COMPUTER INC (NASDAQ:SMCI) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. The stock is trading 26.27% lower than a month ago.

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

COOPER COS INC/THE

NASDAQ:COO (12/30/2025, 4:30:01 PM)

After market: 82.47 0 (0%)

82.47

+0.27 (+0.33%)


NETAPP INC

NASDAQ:NTAP (12/30/2025, 4:30:02 PM)

After market: 108 -0.42 (-0.39%)

108.42

-0.98 (-0.9%)


HP INC

NYSE:HPQ (12/30/2025, 4:40:43 PM)

After market: 22.9 0 (0%)

22.9

+0.17 (+0.75%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (12/30/2025, 4:45:01 PM)

After market: 29.65 0 (0%)

29.65

-0.43 (-1.43%)


NVIDIA CORP

NASDAQ:NVDA (12/30/2025, 4:45:02 PM)

After market: 187.3 -0.24 (-0.13%)

187.54

-0.68 (-0.36%)


CROWDSTRIKE HOLDINGS INC - A

NASDAQ:CRWD (12/30/2025, 4:42:28 PM)

After market: 476.24 +0.61 (+0.13%)

475.63

-0.28 (-0.06%)



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