Tuesday's pre-market session: top gainers and losers in the S&P500 index

Last update: Oct 21, 2025

Before the US market kicks off on Tuesday, let's examine the pre-market session and unveil the notable performers among the S&P500 top gainers and losers.

Gainers

Ticker	Change	Comment
GM	11.78%	Pre-market trading on Tuesday showed positive momentum for GENERAL MOTORS CO (NYSE:GM), as the stock price advanced 11.78% to reach $64.83. The company's earnings where released Yesterday. The stock is trading 23.12% higher than 6 months ago.
RTX	5.0%	RTX CORP's (NYSE:RTX) stock price is advancing with 5.0% to a price of $168.75. The company's earnings where released Yesterday. Yesterday the company had a press release: Global Defense Stocks Have Rocketed Higher In 2025 as Artificial Intelligence Technology Fueling Big Gains.
HAL	5.0%	HALLIBURTON CO (NYSE:HAL) experienced an impressive 5.0% increase in share price, reaching $23.75 during the pre-market session on Tuesday. yesterday the company released their earnings. A press release (Halliburton Announces Third Quarter 2025 Results) was released earlier today.
EPAM	4.01%	EPAM SYSTEMS INC (NYSE:EPAM) experienced an impressive 4.01% increase in share price, reaching $150.81 during the pre-market session on Tuesday. The stock is trading 24.29% lower than a year ago.
DGX	2.86%	Exciting news for QUEST DIAGNOSTICS INC (NYSE:DGX) as their shares soared 2.86% to $195.85 during the pre-market session on Tuesday. yesterday the company released their earnings. In the last year the stock gained 22.81%.
KO	2.79%	COCA-COLA CO/THE (NYSE:KO) experienced an impressive 2.79% increase in share price, reaching $70.35 during the pre-market session on Tuesday. The company's earnings where released Yesterday. Earlier today the company had a press release: Coca-Cola Reports Third Quarter 2025 Results.
F	2.67%	During Tuesday's pre-market trading, FORD MOTOR CO (NYSE:F) demonstrated strong momentum, with the stock price rising 2.67% to $12.31. Today F is releasing earnings.
ELV	2.52%	ELEVANCE HEALTH INC (NYSE:ELV) recorded a 2.52% increase in share price during the pre-market session, reaching $363.0 on Tuesday. ELEVANCE HEALTH INC released earnings Yesterday. A press release (Elevance Health Reports Third Quarter 2025 Results) was released earlier today.
GE	2.47%	GENERAL ELECTRIC's (NYSE:GE) stock price increased by 2.47% to $310.15. GENERAL ELECTRIC released earnings Yesterday. In the last 6 months the stock gained 52.54%.
ES	2.26%	The pre-market session on Tuesday saw a significant rise in EVERSOURCE ENERGY's (NYSE:ES) shares, climbing 2.26% to $74.5. In the last 6 months the stock gained 25.91%.