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

Last update: Aug 21, 2025

Curious about the S&P500 stocks that are gapping on Thursday? Explore the gap up and gap down stocks in the S&P500 index during today's session.

Today's top gap down stocks

Ticker	Change	Comment
WMT	-4.43%	During Thursday's session, WALMART INC's (NYSE:WMT) stock price decreased by 4.43% to $98.03 with a significant 5.55% gap. The company's earnings where released Yesterday. A press release (Walmart reports revenue growth of 4.8%, up 5.6% in constant currency (cc)) was released earlier today.
FSLR	-3.57%	Unfavorable news for FIRST SOLAR INC's (NASDAQ:FSLR) stock! It witnessed a 3.57% decline to $199.07 in today's session, along with a 7.12% gap. Shareholders saw the stock price going 30.34% higher in the past 3 months.
FTNT	-2.84%	FORTINET INC's (NASDAQ:FTNT) stock price is declining with 2.84% to a price of $77.35 with a gap of 3.96%. A press release (Securities Fraud Investigation Into Fortinet, Inc. (FTNT) Announced – Investors Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz) was released yesterday.
NCLH	-2.54%	NORWEGIAN CRUISE LINE HOLDIN's (NYSE:NCLH) stock price is declining with 2.54% to a price of $23.25 with a gap of 4.56%. In the last 3 months the share price increased with 37.7%.
MRNA	-2.32%	Unfavorable news for MODERNA INC's (NASDAQ:MRNA) stock! It witnessed a 2.32% decline to $26.27 in today's session, along with a 6.67% gap. A press release (Moderna to Present at Upcoming Conferences in September 2025) was released earlier today.
LII	-2.26%	LENNOX INTERNATIONAL INC's (NYSE:LII) shares fell 2.26% to $575.77 during Thursday's session with a gap of 7.02%.
GILD	-2.16%	GILEAD SCIENCES INC's (NASDAQ:GILD) shares recorded a 2.16% decline to $116.17, with a notable 5.24% gap during today's session. A press release (Kite to Acquire Interius BioTherapeutics to Advance In Vivo Platform) was released earlier today.
UAL	-2.14%	UNITED AIRLINES HOLDINGS INC's (NASDAQ:UAL) stock price is declining with 2.14% to a price of $97.7 with a gap of 4.02%. Shareholders saw the stock price going 33.74% higher in the past 3 months.
CRL	-2.03%	CHARLES RIVER LABORATORIES's (NYSE:CRL) shares recorded a 2.03% decline to $156.34, with a notable 2.05% gap during today's session. Shareholders saw the stock price going 22.26% lower is the past year.
POOL	-1.98%	POOL CORP's (NASDAQ:POOL) stock price decreased by 1.98% to $308.71 with a gap of 5.56%.

To see the full list of gap down stocks you can use our gap down stocks screener.