Movers and shakers in today's after-hours session for S&P500 stocks?

Last update: Feb 4, 2026

Wondering what's happening in today's after-hours session with S&P500 stocks? Stay tuned for the latest updates on movers and shakers.


postmarket

Today's after hours gainers

TickerChangeComment
ALGN10.04%Promising after-hours performance observed for ALIGN TECHNOLOGY INC (NASDAQ:ALGN) as its shares surged 10.04% to $177.5 during Wednesday's after-hours trading. yesterday the company released their earnings. A press release (Align Technology Announces Fourth Quarter and Fiscal 2025 Financial Results) was released earlier today.
CPAY6.79%CORPAY INC's (NYSE:CPAY) stock price increased by 6.79% to $320.68. yesterday the company released their earnings. Earlier today the company had a press release: Corpay Reports Fourth Quarter and Full Year Financial Results.
AVGO6.16%Impressive after-hours gains for BROADCOM INC (NASDAQ:AVGO) as its stock price advanced 6.16% to $327.02 during Wednesday's after-hours session. The stock is trading 36.99% higher than a year ago.
SNDK4.84%SANDISK CORP's (NASDAQ:SNDK) stock price increased by 4.84% to $612.85. Yesterday's -15.95% decline in SNDK has given way to a potential bounce-back as observed in today's after-hours session.
AMAT4.5%Promising after-hours performance observed for APPLIED MATERIALS INC (NASDAQ:AMAT) as its shares surged 4.5% to $311.0 during Wednesday's after-hours trading. Shareholders saw the stock price going 29.35% higher in the past 3 months.
MU4.15%Positive market activity for MICRON TECHNOLOGY INC (NASDAQ:MU) after regular trading hours, with a 4.15% increase to $395.13 in the after-hours session on Wednesday. The stock is trading 59.47% higher than 3 months ago.
WDC3.13%After the regular session, WESTERN DIGITAL CORP (NASDAQ:WDC) continues to impress in the after-hours session, with a 3.13% increase to $277.85. Two days ago the company had a press release: Western Digital Authorizes Additional $4.0 Billion of Share Repurchases.
GOOGL2.99%Positive after-hours movement for ALPHABET INC-CL A (NASDAQ:GOOGL) as its shares recorded a 2.99% increase, reaching $343.0 during Wednesday's after-hours session. yesterday the company released their earnings. The stock is trading 65.35% higher than 6 months ago.
STX2.96%After the closing bell, SEAGATE TECHNOLOGY HOLDINGS (NASDAQ:STX) demonstrated strong momentum in the after-hours session, with a 2.96% rise to $431.02. Shareholders saw the stock price going 26.7% higher in the past month.
TER2.95%Positive market activity for TERADYNE INC (NASDAQ:TER) after regular trading hours, with a 2.95% increase to $277.0 in the after-hours session on Wednesday. In the last 3 months the stock gained 47.61%.

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

Today's after hours losers

TickerChangeComment
CCI-8.69%CROWN CASTLE INC's (NYSE:CCI) stock price is showing a decline of 8.69% to a price of $78.63 during the after-hours session. yesterday the company released their earnings.
QCOM-8.52%QUALCOMM INC's (NASDAQ:QCOM) shares fell 8.52% to $136.2. QUALCOMM INC released earnings Yesterday. A press release (Qualcomm Earnings Release Available on Company’s Investor Relations Website) was released earlier today.
ORLY-6.85%O'REILLY AUTOMOTIVE INC's (NASDAQ:ORLY) shares declined by 6.85% to $90.11 during Wednesday's after-hours session. O'REILLY AUTOMOTIVE INC released earnings Yesterday.
STE-2.48%Price volatility persists as STERIS PLC (NYSE:STE) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. yesterday the company released their earnings. A press release (STERIS Announces Financial Results for Fiscal 2026 Third Quarter) was released earlier today.

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

ALIGN TECHNOLOGY INC

NASDAQ:ALGN (2/6/2026, 8:17:32 PM)

After market: 187.83 +0.23 (+0.12%)

187.6

+11.98 (+6.82%)


STERIS PLC

NYSE:STE (2/6/2026, 8:07:16 PM)

After market: 252.16 0 (0%)

252.16

+8.35 (+3.42%)


O'REILLY AUTOMOTIVE INC

NASDAQ:ORLY (2/6/2026, 8:00:02 PM)

After market: 94 -0.22 (-0.23%)

94.22

+1.36 (+1.46%)


QUALCOMM INC

NASDAQ:QCOM (2/6/2026, 8:01:53 PM)

After market: 137.2 -0.14 (-0.1%)

137.34

+1.04 (+0.76%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (2/6/2026, 8:07:25 PM)

After market: 427.9 -1.42 (-0.33%)

429.32

+23.87 (+5.89%)


WESTERN DIGITAL CORP

NASDAQ:WDC (2/6/2026, 8:11:22 PM)

After market: 283.75 +1.17 (+0.41%)

282.58

+22.39 (+8.61%)


CROWN CASTLE INC

NYSE:CCI (2/6/2026, 8:21:55 PM)

After market: 80.88 0 (0%)

80.88

+2.51 (+3.2%)


APPLIED MATERIALS INC

NASDAQ:AMAT (2/6/2026, 8:17:39 PM)

After market: 322 -0.51 (-0.16%)

322.51

+18.52 (+6.09%)


TERADYNE INC

NASDAQ:TER (2/6/2026, 8:08:12 PM)

After market: 301.396 +1.29 (+0.43%)

300.11

+28.98 (+10.69%)


MICRON TECHNOLOGY INC

NASDAQ:MU (2/6/2026, 8:00:01 PM)

After market: 394.345 -0.34 (-0.09%)

394.69

+11.8 (+3.08%)


SANDISK CORP

NASDAQ:SNDK (2/6/2026, 8:06:36 PM)

After market: 598.469 +0.52 (+0.09%)

597.95

+21.75 (+3.77%)


BROADCOM INC

NASDAQ:AVGO (2/6/2026, 8:18:41 PM)

After market: 333.5 +0.58 (+0.17%)

332.92

+22.41 (+7.22%)


ALPHABET INC-CL A

NASDAQ:GOOGL (2/6/2026, 8:00:01 PM)

After market: 323.78 +0.92 (+0.28%)

322.86

-8.39 (-2.53%)


CORPAY INC

NYSE:CPAY (2/6/2026, 8:26:19 PM)

After market: 354.19 0 (0%)

354.19

+19.19 (+5.73%)



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