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 (2/9/2026, 9:31:08 AM)

93.12

+0.48 (+0.52%)


APA CORP

NASDAQ:APA (2/9/2026, 9:31:09 AM)

27.555

+0.09 (+0.35%)


DEVON ENERGY CORP

NYSE:DVN (2/9/2026, 9:31:08 AM)

43.755

-0.05 (-0.13%)


SLB LTD

NYSE:SLB (2/9/2026, 9:31:10 AM)

50.55

-0.15 (-0.3%)


VALERO ENERGY CORP

NYSE:VLO (2/9/2026, 9:31:05 AM)

203.88

+1.2 (+0.59%)


UNITEDHEALTH GROUP INC

NYSE:UNH (2/9/2026, 9:31:08 AM)

274.85

-1.8 (-0.65%)


QUANTA SERVICES INC

NYSE:PWR (2/9/2026, 9:31:00 AM)

507.405

-0.71 (-0.14%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (2/9/2026, 9:31:10 AM)

33.49

-0.89 (-2.59%)


APOLLO GLOBAL MANAGEMENT INC

NYSE:APO (2/9/2026, 9:31:06 AM)

136.04

+3.01 (+2.26%)


DIAMONDBACK ENERGY INC

NASDAQ:FANG (2/9/2026, 9:31:04 AM)

166.78

-0.15 (-0.09%)



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