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

Last update: Jul 30, 2025

Before the opening bell on Wednesday, let's take a glimpse of the US markets and explore the S&P500 top gainers and losers in today's pre-market session.

Gainers

Ticker	Change	Comment
HUM	8.12%	During Wednesday's pre-market session, HUMANA INC (NYSE:HUM) experienced a 8.12% increase, with the stock price reaching $251.5. HUMANA INC released earnings Yesterday. A press release (Humana Reports Second Quarter 2025 Financial Results; Raises Full Year 2025 Adjusted EPS and Revenue Guidance) was released earlier today.
TER	7.28%	Pre-market trading on Wednesday showed positive momentum for TERADYNE INC (NASDAQ:TER), as the stock price advanced 7.28% to reach $97.14. A press release (Teradyne Reports Second Quarter 2025 Results) was released yesterday.
SBUX	6.01%	During Wednesday's pre-market trading, STARBUCKS CORP (NASDAQ:SBUX) demonstrated strong momentum, with the stock price rising 6.01% to $98.55. Yesterday the company had a press release: Starbucks Reports Q3 Fiscal Year 2025 Results.
VRSK	5.33%	VERISK ANALYTICS INC's (NASDAQ:VRSK) stock price is advancing with 5.33% to a price of $309.72. VERISK ANALYTICS INC released earnings Yesterday. A press release (Verisk Reports Second-Quarter 2025 Financial Results) was released earlier today.
HSY	4.49%	HERSHEY CO/THE's (NYSE:HSY) shares rose 4.49% to $194.6. HERSHEY CO/THE released earnings Yesterday. Shareholders saw the stock price going 24.78% higher is the past 6 months.
GRMN	2.38%	Exciting news for GARMIN LTD (NYSE:GRMN) as their shares soared 2.38% to $245.0 during the pre-market session on Wednesday. GARMIN LTD released earnings Yesterday. In the last 3 months the share price increased with 24.78%.
CVS	2.25%	During Wednesday's pre-market session, CVS HEALTH CORP (NYSE:CVS) exhibited strong growth, with the stock price climbing 2.25% to $61.35. CVS is releasing earnings today.
FTV	2.1%	FORTIVE CORP's (NYSE:FTV) stock price increased by 2.1% to $51.99. FORTIVE CORP released earnings Yesterday. A press release (Fortive Reports Second Quarter 2025 Results) was released earlier today.
SWKS	2.04%	SKYWORKS SOLUTIONS INC's (NASDAQ:SWKS) stock price is advancing with 2.04% to a price of $73.41. In the last year the share price dropped with 31.29%.

Our premarket gainers page will show you the full list.

Today's pre-market losers

Ticker	Change	Comment
STX	-6.48%	Wednesday's pre-market session showed a 6.48% decrease in the stock price of SEAGATE TECHNOLOGY HOLDINGS (NASDAQ:STX), reaching $142.79. A press release (Seagate Technology Reports Fiscal Fourth Quarter and Fiscal Year 2025 Financial Results) was released yesterday.
TT	-5.73%	The stock price of TRANE TECHNOLOGIES PLC (NYSE:TT) is declining by 5.73%, reaching $443.97 during Wednesday's pre-market session. yesterday the company released their earnings. A press release (Trane Technologies Reports Strong Second Quarter Results; Raises Full-Year Revenue and EPS Guidance) was released earlier today.
ODFL	-5.01%	The pre-market session on Wednesday witnessed a 5.01% decrease in OLD DOMINION FREIGHT LINE's (NASDAQ:ODFL) shares, with the stock price falling to $154.0. OLD DOMINION FREIGHT LINE released earnings Yesterday. Earlier today the company had a press release: Old Dominion Freight Line Reports Second Quarter 2025 Earnings Per Diluted Share of $1.27.
PANW	-3.95%	During Wednesday's pre-market session, the shares of PALO ALTO NETWORKS INC (NASDAQ:PANW) declined by 3.95%, reaching $186.18. The stock is trading 26.86% higher than a year ago.
UHS	-3.57%	UNIVERSAL HEALTH SERVICES-B's (NYSE:UHS) shares fell 3.57% to $157.0. In the last year the share price dropped with 23.63%.
ADP	-2.81%	During Wednesday's pre-market session, the shares of AUTOMATIC DATA PROCESSING (NASDAQ:ADP) declined by 2.81%, reaching $299.98. AUTOMATIC DATA PROCESSING released earnings Yesterday.
V	-2.36%	The stock price of VISA INC-CLASS A SHARES (NYSE:V) is experiencing a decline of 2.36%, reaching $343.0 in today's pre-market session on Wednesday. A press release (Visa Brings Google Pay Integration to Fleet Cards, Enabling Tokenization and Push-to-Wallet Across the Digital Wallet Ecosystem) was released earlier today.

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