Thursday's session: gap up and gap down stock in the S&P500 index

By Mill Chart

Last update: Jan 8, 2026

Wondering what's happening in today's session regarding gap up and gap down stocks? Explore the S&P500 index on Thursday to uncover the stocks that are gapping in the S&P500 index.


gap

Top gap down stocks

TickerChangeComment
SNDK-8.78%Today, SANDISK CORP's (NASDAQ:SNDK) stock experienced a 8.78% fall to $322.51 with a 9.37% gap. In the last month the stock gained 56.81%.
ADSK-5.71%AUTODESK INC's (NASDAQ:ADSK) shares recorded a 5.71% decline to $277.02, with a notable 6.9% gap during today's session.
FIX-5.33%During Thursday's session, COMFORT SYSTEMS USA INC's (NYSE:FIX) stock price decreased by 5.33% to $979.91 with a significant 6.54% gap. In the last 3 months the share price increased with 26.84%.
DDOG-5.02%Unfortunate news for DATADOG INC - CLASS A's (NASDAQ:DDOG) stock! It registered a 5.02% decline to $134.35 in today's session, accompanied by a 8.24% gap.
WDC-4.79%WESTERN DIGITAL CORP's (NASDAQ:WDC) shares suffered a 4.79% decline to $190.3 during Thursday's session, accompanied by a 10.97% gap. Shareholders saw the stock price going 73.18% higher in the past 3 months.
ANET-3.92%ARISTA NETWORKS INC's (NYSE:ANET) shares suffered a 3.92% decline to $124.98 during Thursday's session, accompanied by a 5.6% gap.
STX-3.73%SEAGATE TECHNOLOGY HOLDINGS's (NASDAQ:STX) shares recorded a 3.73% decline to $296.77, with a notable 8.31% gap during today's session. Shareholders saw the stock price going 43.79% higher in the past 3 months.
DELL-3.42%DELL TECHNOLOGIES -C's (NYSE:DELL) shares experienced a 3.42% decline to $115.96 during Thursday's session, accompanied by a 6.13% gap. Shareholders saw the stock price going 20.26% lower in the past 3 months.
CEG-3.12%CONSTELLATION ENERGY's (NASDAQ:CEG) stock price is declining with 3.12% to a price of $328.06 with a gap of 7.34%. Yesterday the company had a press release: Constellation Completes Calpine Transaction, Powering America’s Clean Energy Future.
TER-3.03%TERADYNE INC's (NASDAQ:TER) shares fell 3.03% to $215.73 with a gap of 6.07%. In the last 3 months the stock gained 68.44%.

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

COMFORT SYSTEMS USA INC

NYSE:FIX (1/16/2026, 9:50:56 PM)

After market: 1124.66 +4.68 (+0.42%)

1119.98

+28.94 (+2.65%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (1/16/2026, 8:00:00 PM)

After market: 326.55 +0.32 (+0.1%)

326.23

+5.91 (+1.85%)


WESTERN DIGITAL CORP

NASDAQ:WDC (1/16/2026, 8:00:02 PM)

After market: 222 +0.49 (+0.22%)

221.51

-0.59 (-0.27%)


DELL TECHNOLOGIES -C

NYSE:DELL (1/16/2026, 8:06:17 PM)

After market: 120.45 -0.08 (-0.07%)

120.53

+0.87 (+0.73%)


TERADYNE INC

NASDAQ:TER (1/16/2026, 8:00:01 PM)

After market: 228.14 -0.01 (0%)

228.145

+0.45 (+0.2%)


SANDISK CORP

NASDAQ:SNDK (1/16/2026, 8:00:02 PM)

After market: 415.98 +2.36 (+0.57%)

413.62

+4.38 (+1.07%)


AUTODESK INC

NASDAQ:ADSK (1/16/2026, 8:00:00 PM)

After market: 265.64 -0.05 (-0.02%)

265.69

+3.43 (+1.31%)


ARISTA NETWORKS INC

NYSE:ANET (1/16/2026, 8:04:00 PM)

After market: 129.5 -0.33 (-0.25%)

129.83

-0.76 (-0.58%)


DATADOG INC - CLASS A

NASDAQ:DDOG (1/16/2026, 8:05:52 PM)

After market: 119.19 +0.17 (+0.14%)

119.02

-1.84 (-1.52%)


CONSTELLATION ENERGY

NASDAQ:CEG (1/16/2026, 8:00:00 PM)

After market: 309.35 +1.64 (+0.53%)

307.71

-33.49 (-9.82%)



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