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

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 (1/29/2026, 5:25:30 PM)

After market: 80.52 +0.15 (+0.19%)

80.37

-0.11 (-0.14%)


NETAPP INC

NASDAQ:NTAP (1/29/2026, 5:41:36 PM)

After market: 99.298 +0.97 (+0.98%)

98.33

-1 (-1.01%)


HP INC

NYSE:HPQ (1/29/2026, 5:26:27 PM)

After market: 19.39 0 (0%)

19.39

+0.34 (+1.78%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (1/29/2026, 5:59:30 PM)

After market: 29.99 -0.13 (-0.43%)

30.12

-1.09 (-3.49%)


NVIDIA CORP

NASDAQ:NVDA (1/29/2026, 6:00:01 PM)

After market: 191.25 -1.26 (-0.65%)

192.51

+0.99 (+0.52%)


CROWDSTRIKE HOLDINGS INC - A

NASDAQ:CRWD (1/29/2026, 5:54:18 PM)

After market: 444.906 +0.29 (+0.06%)

444.62

-24.57 (-5.24%)



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