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

By Mill Chart - 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.


gap

Today's top gap down stocks

TickerChangeComment
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.

LENNOX INTERNATIONAL INC

NYSE:LII (3/3/2026, 8:24:10 PM)

After market: 552.3 0 (0%)

552.3

-11.1 (-1.97%)


POOL CORP

NASDAQ:POOL (3/3/2026, 8:00:01 PM)

After market: 221.46 +0.24 (+0.11%)

221.22

-0.78 (-0.35%)


CHARLES RIVER LABORATORIES

NYSE:CRL (3/3/2026, 8:04:00 PM)

After market: 174.64 -1.05 (-0.6%)

175.69

-2.92 (-1.63%)


GILEAD SCIENCES INC

NASDAQ:GILD (3/3/2026, 8:15:35 PM)

Premarket: 147.07 -0.76 (-0.51%)

147.83

-2.2 (-1.47%)


WALMART INC

NASDAQ:WMT (3/3/2026, 8:00:02 PM)

Premarket: 127.23 -0.68 (-0.53%)

127.91

+0.81 (+0.64%)


FIRST SOLAR INC

NASDAQ:FSLR (3/3/2026, 8:14:11 PM)

Premarket: 195.02 -2.51 (-1.27%)

197.53

-2.33 (-1.17%)


FORTINET INC

NASDAQ:FTNT (3/3/2026, 8:14:29 PM)

Premarket: 81.15 +0.05 (+0.06%)

81.1

+1.92 (+2.42%)


NORWEGIAN CRUISE LINE HOLDIN

NYSE:NCLH (3/3/2026, 8:04:00 PM)

Premarket: 21.3 +0.03 (+0.14%)

21.27

-0.91 (-4.1%)


UNITED AIRLINES HOLDINGS INC

NASDAQ:UAL (3/3/2026, 9:43:58 PM)

Premarket: 102 -0.54 (-0.53%)

102.54

-0.67 (-0.65%)


MODERNA INC

NASDAQ:MRNA (3/3/2026, 8:00:01 PM)

Premarket: 54.81 +4.98 (+9.99%)

49.83

-3.02 (-5.71%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube