Top gainers and losers in the S&P500 index during Tuesday's after-hours session.

By Mill Chart - Last update: Jul 29, 2025

After the closing bell on Tuesday, let's take a glimpse of the US markets and explore the top S&P500 gainers and losers in today's after-hours session.


postmarket

After hours losers

TickerChangeComment
STX-6.34%SEAGATE TECHNOLOGY HOLDINGS's (NASDAQ:STX) shares fell 6.34% to $143.0. The company's earnings where released Yesterday. A press release (Seagate Technology Reports Fiscal Fourth Quarter and Fiscal Year 2025 Financial Results) was released earlier today.
MDLZ-3.24%MONDELEZ INTERNATIONAL INC-A's (NASDAQ:MDLZ) shares fell 3.24% to $67.45 during Tuesday's after hours session. yesterday the company released their earnings. Shareholders saw the stock price going 20.21% higher is the past 6 months.
V-3.07%VISA INC-CLASS A SHARES's (NYSE:V) stock price saw a decrease of 3.07% to $340.5 during Tuesday's after-hours session. yesterday the company released their earnings. In the last year the stock gained 31.78%.
WDC-2.99%WESTERN DIGITAL CORP's (NASDAQ:WDC) shares declined by 2.99% to $68.5 during Tuesday's after-hours session. The company released earnings today. Shareholders saw the stock price going 58.0% higher in the past 3 months.

For the full after hours loser list go to our after hours losers page.

VISA INC-CLASS A SHARES

NYSE:V (2/18/2026, 8:06:03 PM)

Premarket: 319.75 -0.55 (-0.17%)

320.3

+0.8 (+0.25%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (2/18/2026, 8:03:16 PM)

Premarket: 422.28 -1.86 (-0.44%)

424.14

+8.2 (+1.97%)


WESTERN DIGITAL CORP

NASDAQ:WDC (2/18/2026, 10:09:02 PM)

Premarket: 298 +1.44 (+0.49%)

296.56

+12.45 (+4.38%)


MONDELEZ INTERNATIONAL INC-A

NASDAQ:MDLZ (2/18/2026, 8:00:00 PM)

After market: 60.08 0 (0%)

60.08

+0.22 (+0.37%)



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