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 (3/6/2026, 8:17:49 PM)

After market: 1276 -3.06 (-0.24%)

1279.06

-69.16 (-5.13%)


SEAGATE TECHNOLOGY HOLDINGS

NASDAQ:STX (3/6/2026, 8:00:00 PM)

Premarket: 344 -8.8 (-2.49%)

352.8

-14.54 (-3.96%)


WESTERN DIGITAL CORP

NASDAQ:WDC (3/6/2026, 8:00:02 PM)

Premarket: 238 -7.25 (-2.96%)

245.25

-13.78 (-5.32%)


DELL TECHNOLOGIES -C

NYSE:DELL (3/6/2026, 8:11:58 PM)

Premarket: 143.51 -2.97 (-2.03%)

146.48

-0.04 (-0.03%)


TERADYNE INC

NASDAQ:TER (3/6/2026, 8:00:02 PM)

Premarket: 266 -7.05 (-2.58%)

273.05

-32.53 (-10.65%)


SANDISK CORP

NASDAQ:SNDK (3/6/2026, 8:00:02 PM)

Premarket: 525.04 -2.29 (-0.43%)

527.33

-38.26 (-6.76%)


AUTODESK INC

NASDAQ:ADSK (3/6/2026, 8:00:00 PM)

Premarket: 257.97 -3.02 (-1.16%)

260.99

-3.13 (-1.19%)


ARISTA NETWORKS INC

NYSE:ANET (3/6/2026, 8:04:00 PM)

Premarket: 129.33 -3.56 (-2.68%)

132.89

-6.51 (-4.67%)


DATADOG INC - CLASS A

NASDAQ:DDOG (3/6/2026, 8:11:38 PM)

Premarket: 124.06 -1.69 (-1.34%)

125.75

+3.39 (+2.77%)


CONSTELLATION ENERGY

NASDAQ:CEG (3/6/2026, 8:05:43 PM)

Premarket: 312.88 -6.18 (-1.94%)

319.06

-13.01 (-3.92%)



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