Wondering what's happening in today's S&P500 pre-market session?

Last update: Jul 23, 2025

As the US market prepares to open on Wednesday, let's get an early glimpse into the pre-market session and identify the S&P500 stocks leading the pack in terms of gains and losses.


premarket

Gainers

TickerChangeComment
HES7.61%Hess Corporation's (NYSE:HES) shares rose 7.61% to $160.31.
GEV5.97%Investors witnessed a remarkable surge in GE VERNOVA INC (NYSE:GEV) during Wednesday's pre-market session, with the stock price rising 5.97% to $581.75. The company's earnings where released Yesterday. In the last 3 months the stock gained 47.41%.
APH5.89%AMPHENOL CORP-CL A's (NYSE:APH) shares rose 5.89% to $107.77. AMPHENOL CORP-CL A released earnings Yesterday. Earlier today the company had a press release: Amphenol Reports Record Second Quarter 2025 Results.
LW5.45%Investors witnessed a remarkable surge in LAMB WESTON HOLDINGS INC (NYSE:LW) during Wednesday's pre-market session, with the stock price rising 5.45% to $51.85. The company's earnings where released Yesterday. Earlier today the company had a press release: Lamb Weston Reports Fiscal Fourth Quarter and Full Year 2025 Results; Provides Fiscal Year 2026 Outlook.
VST4.71%During Wednesday's pre-market session, VISTRA CORP (NYSE:VST) experienced a 4.71% increase, with the stock price reaching $197.99. In the last 3 months the stock gained 49.31%.
NRG4.2%During Wednesday's pre-market trading, NRG ENERGY INC (NYSE:NRG) demonstrated strong momentum, with the stock price rising 4.2% to $160.43. Two days ago the company had a press release: NRG Energy, Inc. Announces Quarterly Dividend.
HAS4.16%HASBRO INC's (NASDAQ:HAS) shares rose 4.16% to $80.8. The company's earnings where released Yesterday. In the last 3 months the stock gained 27.18%.
TMO4.06%Exciting news for THERMO FISHER SCIENTIFIC INC (NYSE:TMO) as their shares soared 4.06% to $445.0 during the pre-market session on Wednesday. THERMO FISHER SCIENTIFIC INC released earnings Yesterday. A press release (Thermo Fisher Scientific Reports Second Quarter 2025 Results) was released earlier today.
TEL3.9%TE CONNECTIVITY PLC (NYSE:TEL) recorded a 3.9% increase in share price during the pre-market session, reaching $187.5 on Wednesday. TE CONNECTIVITY PLC released earnings Yesterday. The stock is trading 25.01% higher than 3 months ago.
CEG3.88%The pre-market session on Wednesday saw a significant rise in CONSTELLATION ENERGY's (NASDAQ:CEG) shares, climbing 3.88% to $330.12. In the last 3 months the stock gained 42.51%.

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

Today's pre-market losers

TickerChangeComment
FI-17.77%Despite yesterday's decline, FISERV INC (NYSE:FI) experienced a further 17.77% decrease in share price during Wednesday's pre-market session, reaching $136.49. FISERV INC released earnings Yesterday. A press release (Fiserv Announces Strategic Relationship With TD) was released earlier today.
TXN-9.73%The stock price of TEXAS INSTRUMENTS INC (NASDAQ:TXN) is experiencing a decline of 9.73%, reaching $194.0 in today's pre-market session on Wednesday. The stock is trading 31.97% higher than 3 months ago.
OTIS-6.48%OTIS WORLDWIDE CORP's (NYSE:OTIS) stock price is declining with 6.48% to a price of $94.45. OTIS WORLDWIDE CORP released earnings Yesterday.
ENPH-6.38%ENPHASE ENERGY INC's (NASDAQ:ENPH) stock price decreased by 6.38% to $39.79. In the last month the stock gained 22.97%.
MCHP-6.21%Wednesday's pre-market session showed a 6.21% decrease in the stock price of MICROCHIP TECHNOLOGY INC (NASDAQ:MCHP), reaching $70.59. In the last 3 months the share price increased with 60.5%.
ADI-4.92%The stock price of ANALOG DEVICES INC (NASDAQ:ADI) is experiencing a decline of 4.92%, reaching $223.91 in today's pre-market session on Wednesday. Shareholders saw the stock price going 21.02% higher in the past 3 months.
ON-4.72%The pre-market session on Wednesday witnessed a 4.72% decrease in ON SEMICONDUCTOR's (NASDAQ:ON) shares, with the stock price falling to $59.5. In the last 3 months the share price increased with 57.58%.
NXPI-3.86%NXP SEMICONDUCTORS NV's (NASDAQ:NXPI) stock price recorded a 3.86% decrease, falling to $219.2.
T-3.68%AT&T INC's (NYSE:T) shares fell 3.68% to $26.41. yesterday the company released their earnings. Shareholders saw the stock price going 20.69% higher is the past 6 months.
ALB-2.16%Despite yesterday's decline, ALBEMARLE CORP (NYSE:ALB) experienced a further 2.16% decrease in share price during Wednesday's pre-market session, reaching $81.44. In the last month the share price increased with 43.96%.

For the full premarket loser list go to our premarket losers page.

Hess Corporation

NYSE:HES (7/17/2025, 8:04:00 PM)

Premarket: 160.31 +11.34 (+7.61%)

148.97

+1.42 (+0.96%)


ALBEMARLE CORP

NYSE:ALB (1/29/2026, 11:51:08 AM)

180.135

-4.2 (-2.28%)


AMPHENOL CORP-CL A

NYSE:APH (1/29/2026, 11:51:06 AM)

148.87

+2.91 (+1.99%)


TE CONNECTIVITY PLC

NYSE:TEL (1/29/2026, 11:50:52 AM)

226.01

+4.24 (+1.91%)


THERMO FISHER SCIENTIFIC INC

NYSE:TMO (1/29/2026, 11:51:04 AM)

591.02

-17 (-2.8%)


ANALOG DEVICES INC

NASDAQ:ADI (1/29/2026, 11:51:06 AM)

313.285

-4.34 (-1.37%)


TEXAS INSTRUMENTS INC

NASDAQ:TXN (1/29/2026, 11:51:03 AM)

218.55

+2.38 (+1.1%)


MICROCHIP TECHNOLOGY INC

NASDAQ:MCHP (1/29/2026, 11:51:07 AM)

77.725

-2.56 (-3.18%)


AT&T INC

NYSE:T (1/29/2026, 11:51:09 AM)

24.865

+0.79 (+3.3%)


NRG ENERGY INC

NYSE:NRG (1/29/2026, 11:51:04 AM)

155.39

+0.28 (+0.18%)


NXP SEMICONDUCTORS NV

NASDAQ:NXPI (1/29/2026, 11:50:49 AM)

229.65

-10.38 (-4.32%)


HASBRO INC

NASDAQ:HAS (1/29/2026, 11:50:24 AM)

90.24

+0.36 (+0.4%)


ENPHASE ENERGY INC

NASDAQ:ENPH (1/29/2026, 11:51:05 AM)

37.77

-2.7 (-6.67%)


FISERV INC

NYSE:FI (11/10/2025, 8:04:00 PM)

After market: 63.6172 -0.18 (-0.29%)

63.8

+0.1 (+0.16%)


ON SEMICONDUCTOR

NASDAQ:ON (1/29/2026, 11:51:09 AM)

62.48

-2.45 (-3.77%)


LAMB WESTON HOLDINGS INC

NYSE:LW (1/29/2026, 11:51:08 AM)

45.58

+0.11 (+0.24%)


OTIS WORLDWIDE CORP

NYSE:OTIS (1/29/2026, 11:50:49 AM)

88.14

-0.46 (-0.52%)


VISTRA CORP

NYSE:VST (1/29/2026, 11:50:54 AM)

161.54

-4.1 (-2.48%)


CONSTELLATION ENERGY

NASDAQ:CEG (1/29/2026, 11:51:06 AM)

284.49

-3.46 (-1.2%)


GE VERNOVA INC

NYSE:GEV (1/29/2026, 11:51:03 AM)

698.445

-13.14 (-1.85%)



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