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What's going on in today's session: S&P500 gap up and gap down stocks

By Mill Chart

Last update: Sep 13, 2021

Let's have a look at the S&P500 gap up and gap down stocks in today's session.

Today's top gap down stocks

TickerChangeComment
MRNA-6.74%Moderna Inc's (NASDAQ:MRNA) shares fell 6.74% to $419.07 during Monday's session with a gap of 10.72%. The stock is trading 105.0% higher than 3 months ago.
ETSY-4.99%Etsy Inc's (NASDAQ:ETSY) shares fell 4.99% to $206.19 during Monday's session with a gap of 7.42%. In the last 3 months the share price increased with 30.88%.
ALB-4.8%Albemarle Corp's (NYSE:ALB) shares fell 4.8% to $229.6 during Monday's session with a gap of 9.9%. The stock is trading 41.71% higher than 3 months ago.
TWTR-4.32%Twitter Inc's (NYSE:TWTR) shares fell 4.32% to $58.9 with a gap of 7.76%. The stock is trading 58.13% higher than a year ago.
FTNT-4.08%Fortinet Inc's (NASDAQ:FTNT) stock price is declining with 4.08% to a price of $297.81 with a gap of 5.66%. Earlier today the company had a press release: Fortinet and Linksys Joint Venture Delivers First-of-its-Kind Secure Enterprise Solution to Support Remote and Hybrid Work.
GNRC-3.8%Generac Holdings Inc's (NYSE:GNRC) shares fell 3.8% to $434.16 during Monday's session with a gap of 8.06%. A press release (SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders with Losses on their Investment in Generac Holdings Inc. of Class Action Lawsuit and Upcoming Deadline - GNRC) was released earlier today.
DXCM-3.55%Dexcom's (NASDAQ:DXCM) stock price decreased by 3.55% to $529.88 with a gap of 5.82%. In the last 3 months the share price increased with 37.28%.
PENN-3.38%Penn Natl Gaming Inc's (NASDAQ:PENN) stock price decreased by 3.38% to $77.11 with a gap of 10.52%. In the last 6 months the stock lost 38.83%.
CRL-3.2%Charles River Laboratories Intl's (NYSE:CRL) stock price is declining with 3.2% to a price of $426.89 with a gap of 4.49%. In the last 3 months the stock gained 25.25%.
ALGN-3.04%Align Technology's (NASDAQ:ALGN) shares fell 3.04% to $698.79 with a gap of 4.85%. The stock is trading 34.34% higher than 6 months ago.

For the full top loser list go to our gap down stocks screener.

ALBEMARLE CORP

NYSE:ALB (9/16/2025, 8:04:00 PM)

Premarket: 80.84 -0.1 (-0.12%)

80.94

-0.1 (-0.12%)


CHARLES RIVER LABORATORIES

NYSE:CRL (9/16/2025, 8:08:24 PM)

After market: 164.455 +12.86 (+8.48%)

151.6

-0.64 (-0.42%)


ALIGN TECHNOLOGY INC

NASDAQ:ALGN (9/16/2025, 8:00:00 PM)

Premarket: 132 +0.18 (+0.14%)

131.82

+0.76 (+0.58%)


DEXCOM INC

NASDAQ:DXCM (9/16/2025, 8:13:07 PM)

After market: 76.8 +0.25 (+0.33%)

76.55

+0.97 (+1.28%)


PENN ENTERTAINMENT INC

NASDAQ:PENN (9/16/2025, 8:00:00 PM)

After market: 18.9997 +0.08 (+0.42%)

18.92

+0.09 (+0.48%)


GENERAC HOLDINGS INC

NYSE:GNRC (9/16/2025, 8:27:22 PM)

After market: 183.58 -0.03 (-0.02%)

183.61

-2.1 (-1.13%)


FORTINET INC

NASDAQ:FTNT (9/16/2025, 8:00:01 PM)

Premarket: 79.8994 +0.12 (+0.15%)

79.78

-1.22 (-1.51%)


Twitter Inc

NYSE:TWTR (10/27/2022, 8:08:24 PM)

After market: 53.86 +0.16 (+0.3%)

53.7

+0.35 (+0.66%)


ETSY INC

NASDAQ:ETSY (9/16/2025, 8:14:55 PM)

Premarket: 59.3113 -0.1 (-0.17%)

59.41

+1.61 (+2.79%)


MODERNA INC

NASDAQ:MRNA (9/16/2025, 8:00:01 PM)

Premarket: 25 +0.16 (+0.64%)

24.84

+0.96 (+4.02%)



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