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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 (12/19/2025, 8:27:48 PM)

After market: 145.87 -0.01 (-0.01%)

145.88

+5.4 (+3.84%)


CHARLES RIVER LABORATORIES

NYSE:CRL (12/19/2025, 8:04:00 PM)

After market: 197.06 0 (0%)

197.06

+3.21 (+1.66%)


ALIGN TECHNOLOGY INC

NASDAQ:ALGN (12/19/2025, 8:27:51 PM)

After market: 157.69 0 (0%)

157.69

-3.75 (-2.32%)


DEXCOM INC

NASDAQ:DXCM (12/19/2025, 8:00:01 PM)

After market: 66.06 0 (0%)

66.06

+0.15 (+0.23%)


PENN ENTERTAINMENT INC

NASDAQ:PENN (12/19/2025, 8:09:39 PM)

After market: 14.56 0 (0%)

14.56

-0.14 (-0.95%)


GENERAC HOLDINGS INC

NYSE:GNRC (12/19/2025, 8:04:00 PM)

After market: 139.09 +0.15 (+0.11%)

138.94

+1.95 (+1.42%)


FORTINET INC

NASDAQ:FTNT (12/19/2025, 8:00:00 PM)

After market: 80.4 +0.16 (+0.2%)

80.24

+0.49 (+0.61%)


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

NYSE:ETSY (12/19/2025, 8:04:00 PM)

After market: 54.33 0 (0%)

54.33

+0.65 (+1.21%)


MODERNA INC

NASDAQ:MRNA (12/19/2025, 8:03:58 PM)

After market: 33.5 -0.3 (-0.89%)

33.8

+2.85 (+9.21%)



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