These S&P500 stocks are gapping in today's session

Last update: Jul 24, 2025

Looking for the S&P500 stocks that are experiencing notable gaps on Thursday? Find out which stocks are gapping up and gapping down in the S&P500 index during today's session.

Top Gap up stocks

Ticker	Change	Comment
WST	23.5%	During Thursday's session, WEST PHARMACEUTICAL SERVICES's (NYSE:WST) stock price showed a remarkable increase of 23.5%, reaching $280.73 with a notable 21.3% gap. The company's earnings where released Yesterday. In the last 6 months the stock lost 34.11%.
LH	12.18%	LABCORP HOLDINGS INC's (NYSE:LH) stock price increased by 12.18% to $281.02 with a gap of 3.2%. The company's earnings where released Yesterday. A press release (Community Health Systems Announces Definitive Agreement to Sell Select Outreach Laboratory Assets to Labcorp) was released two days ago.
CRL	8.23%	CHARLES RIVER LABORATORIES's (NYSE:CRL) shares soared 8.23% to $181.76 in Thursday's session, displaying an impressive 2.3% gap. The stock is trading 46.48% higher than 3 months ago.
TMUS	7.17%	T-MOBILE US INC's (NASDAQ:TMUS) shares rose 7.17% to $250.7 with a gap of 3.81% during Thursday's session. Yesterday the company had a press release: T-Mobile Delivers Record Quarter with Outsized Customer and Financial Growth, and Raises Full Year 2025 Guidance.
NOW	4.83%	SERVICENOW INC's (NYSE:NOW) shares rose 4.83% to $1.0K with a gap of 3.43%. Yesterday the company had a press release: ServiceNow Reports Second Quarter 2025 Financial Results.
POOL	3.64%	POOL CORP's (NASDAQ:POOL) stock price increased by 3.64% to $328.38 with a gap of 2.74%. yesterday the company released their earnings.
ALLE	3.57%	ALLEGION PLC's (NYSE:ALLE) shares soared 3.57% to $159.87 in Thursday's session, displaying an impressive 2.13% gap. The company's earnings where released Yesterday. Earlier today the company had a press release: Allegion (NYSE: ALLE) Reports Q2-2025 Financial Results.

For the full gap up stocks list go to our gap up stocks screener.

Today's top gap down stocks

Ticker	Change	Comment
LKQ	-21.57%	In today's session, LKQ CORP's (NASDAQ:LKQ) stock price decreased by 21.57% to $30.28, exhibiting a 22.73% gap. LKQ CORP released earnings Yesterday.
DOW	-14.79%	In today's session, DOW INC's (NYSE:DOW) stock witnessed a 14.79% fall to $25.88 with a 16.26% gap. yesterday the company released their earnings. A press release (Dow reports second quarter 2025 results) was released earlier today.
CMG	-12.65%	Unfavorable news for CHIPOTLE MEXICAN GRILL INC's (NYSE:CMG) stock! It witnessed a 12.65% decline to $46.1 in today's session, along with a 14.56% gap.
LUV	-9.62%	SOUTHWEST AIRLINES CO's (NYSE:LUV) shares fell 9.62% to $33.84 during Thursday's session with a gap of 10.79%. The company's earnings where released Yesterday. In the last 3 months the share price increased with 41.34%.
IBM	-8.77%	Today, INTL BUSINESS MACHINES CORP's (NYSE:IBM) stock experienced a 8.77% fall to $257.28 with a 12.25% gap. Shareholders saw the stock price going 21.34% higher in the past 3 months.
LYB	-8.15%	LYONDELLBASELL INDU-CL A's (NYSE:LYB) shares recorded a 8.15% decline to $61.74, with a notable 8.62% gap during today's session. In the last year the share price dropped with 30.89%.
TSLA	-8.13%	TESLA INC's (NASDAQ:TSLA) shares experienced a 8.13% decline to $305.53 during Thursday's session, accompanied by a 10.47% gap. A press release (Sunrun and Tesla Launch Home Energy Plan to Cut Costs and Boost Backup Power for Texans) was released earlier today.
ON	-7.33%	ON SEMICONDUCTOR's (NASDAQ:ON) stock price decreased by 7.33% to $55.24 with a gap of 9.96%. In the last 3 months the stock gained 50.42%.
JBL	-6.69%	JABIL INC's (NYSE:JBL) stock price is declining with 6.69% to a price of $213.83 with a gap of 7.36%. In the last 3 months the stock gained 55.97%.
AMP	-6.45%	AMERIPRISE FINANCIAL INC's (NYSE:AMP) shares fell 6.45% to $502.32 with a gap of 7.15%. AMERIPRISE FINANCIAL INC released earnings Yesterday. Earlier today the company had a press release: Ameriprise Financial Reports Second Quarter 2025 Results.