These S&P500 stocks that are showing activity before the opening bell on Thursday.

Last update: May 15, 2025

As we await the opening of the US market on Thursday, let's delve into the pre-market session and discover the S&P500 top gainers and losers shaping the early market sentiment.

Pre-market losers

TickerChangeComment
UNH-6.73%UNITEDHEALTH GROUP INC's (NYSE:UNH) stock price decreased by 6.73% to $287.29. Yesterday the company had a press release: UNH INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces That UnitedHealth Group Incorporated Investors With Substantial Losses Have Opportunity to Lead Class Action Lawsuit.
VLO-2.7%VALERO ENERGY CORP's (NYSE:VLO) shares experienced a 2.7% decline, falling to $130.7 during Thursday's pre-market session. In the last month the stock gained 24.89%.
DVN-2.68%DEVON ENERGY CORP's (NYSE:DVN) stock price decreased by 2.68% to $33.05. Shareholders saw the stock price going 31.56% lower is the past year.
FANG-2.67%DIAMONDBACK ENERGY INC's (NASDAQ:FANG) stock price is declining with 2.67% to a price of $140.95. In the last year the stock lost 26.74%.
SMCI-2.56%During Thursday's pre-market session, the shares of SUPER MICRO COMPUTER INC (NASDAQ:SMCI) declined by 2.56%, reaching $43.85. Despite yesterday's 15.71% gain, SMCI experiences a 2.56% decline in today's pre-market session, indicating a shift in market sentiment.
CF-2.41%The pre-market session on Thursday witnessed a 2.41% decrease in CF INDUSTRIES HOLDINGS INC's (NYSE:CF) shares, with the stock price falling to $83.9.
PWR-2.38%QUANTA SERVICES INC's (NYSE:PWR) stock price recorded a 2.38% decrease, falling to $335.0. In the last month the share price increased with 25.68%.
APO-2.35%The pre-market session on Thursday witnessed a 2.35% decrease in APOLLO GLOBAL MANAGEMENT INC's (NYSE:APO) shares, with the stock price falling to $140.84. The stock is trading 27.56% higher than a year ago.
SLB-2.25%Investors observed a 2.25% decline in SCHLUMBERGER LTD's (NYSE:SLB) stock price, which now stands at $35.2 during Thursday's pre-market session. In the last year the stock lost 25.89%.
APA-2.2%APA CORP's (NASDAQ:APA) shares fell 2.2% to $17.77. In the last month the share price increased with 22.03%.

Our premarket losers page will show you the full list.

CF INDUSTRIES HOLDINGS INC

NYSE:CF (1/30/2026, 8:04:00 PM)

After market: 93.23 0 (0%)

93.23

-0.8 (-0.85%)


APA CORP

NASDAQ:APA (1/30/2026, 8:00:01 PM)

After market: 26.49 +0.08 (+0.3%)

26.41

+0.15 (+0.57%)


DEVON ENERGY CORP

NYSE:DVN (1/30/2026, 8:04:00 PM)

After market: 40.25 +0.04 (+0.1%)

40.21

+0.27 (+0.68%)


SLB LTD

NYSE:SLB (1/30/2026, 8:19:02 PM)

After market: 48.4695 +0.09 (+0.18%)

48.38

-0.07 (-0.14%)


VALERO ENERGY CORP

NYSE:VLO (1/30/2026, 8:23:25 PM)

After market: 181.7 +0.27 (+0.15%)

181.43

-1.06 (-0.58%)


UNITEDHEALTH GROUP INC

NYSE:UNH (1/30/2026, 8:22:37 PM)

After market: 286.28 -0.65 (-0.23%)

286.93

-5.36 (-1.83%)


QUANTA SERVICES INC

NYSE:PWR (1/30/2026, 8:14:19 PM)

After market: 474.7 +0.07 (+0.01%)

474.63

-8.8 (-1.82%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (1/30/2026, 8:19:09 PM)

After market: 29.15 +0.04 (+0.14%)

29.11

-1.01 (-3.35%)


APOLLO GLOBAL MANAGEMENT INC

NYSE:APO (1/30/2026, 8:04:00 PM)

After market: 134.54 0 (0%)

134.54

+0.05 (+0.04%)


DIAMONDBACK ENERGY INC

NASDAQ:FANG (1/30/2026, 8:00:02 PM)

After market: 161.143 -2.81 (-1.71%)

163.95

+0.88 (+0.54%)



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