Which S&P500 stocks are moving before the opening bell on Thursday?

By Mill Chart - Last update: Nov 20, 2025

Pre-market stock analysis of S&P500 stocks on 2025-11-20: top gainers and losers in today's session.


premarket

Gainers

TickerChangeComment
SMCI6.58%During Thursday's pre-market session, SUPER MICRO COMPUTER INC (NASDAQ:SMCI) experienced a 6.58% increase, with the stock price reaching $35.95. In the last month the share price dropped with 35.75%.
NVDA5.19%During Thursday's pre-market session, NVIDIA CORP (NASDAQ:NVDA) exhibited strong growth, with the stock price climbing 5.19% to $196.2. Yesterday the company had a press release: Artificial Intelligence Influence on Solar Energy Market Driving Revenues Projected to Reach $18 Billion by 2030.
AMD4.36%ADVANCED MICRO DEVICES (NASDAQ:AMD) recorded a 4.36% increase in share price during the pre-market session, reaching $233.3 on Thursday. Shareholders saw the stock price going 33.26% higher in the past 3 months.
AVGO4.01%BROADCOM INC's (NASDAQ:AVGO) shares rose 4.01% to $368.62. Shareholders saw the stock price going 20.55% higher in the past 3 months.
PLTR3.98%PALANTIR TECHNOLOGIES INC-A's (NASDAQ:PLTR) stock price is advancing with 3.98% to a price of $172.0. In the last 6 months the share price increased with 34.15%.
REGN3.95%Pre-market trading on Thursday showed positive momentum for REGENERON PHARMACEUTICALS (NASDAQ:REGN), as the stock price advanced 3.95% to reach $730.5. A press release (EYLEA HD® (aflibercept) Injection 8 mg Approved by FDA for the Treatment of Macular Edema Following Retinal Vein Occlusion (RVO) and for Monthly Dosing Across Approved Indications) was released yesterday.
TER3.69%TERADYNE INC's (NASDAQ:TER) shares surged 3.69% to reach $174.44 during the pre-market session on Thursday. The stock is trading 21.17% higher than a month ago.
WDC3.51%Investors witnessed a remarkable surge in WESTERN DIGITAL CORP (NASDAQ:WDC) during Thursday's pre-market session, with the stock price rising 3.51% to $159.38. Two days ago the company had a press release: Western Digital to Participate in Upcoming Investor Conferences.
ANET3.41%During Thursday's pre-market trading, ARISTA NETWORKS INC (NYSE:ANET) demonstrated strong momentum, with the stock price rising 3.41% to $129.07. In the last 6 months the share price increased with 36.85%.
GOOG3.35%Exciting news for ALPHABET INC-CL C (NASDAQ:GOOG) as their shares soared 3.35% to $302.8 during the pre-market session on Thursday. In the last 3 months the share price increased with 41.73%.

For the full premarket gainers list go to our premarket gainers page.

Today's pre-market losers

TickerChangeComment
PANW-3.04%Despite yesterday's decline, PALO ALTO NETWORKS INC (NASDAQ:PANW) experienced a further 3.04% decrease in share price during Thursday's pre-market session, reaching $193.82.
ALB-3.01%ALBEMARLE CORP's (NYSE:ALB) shares experienced a 3.01% decline, falling to $121.9 during Thursday's pre-market session. In the last month the share price increased with 37.7%.
AMGN-2.45%AMGEN INC's (NASDAQ:AMGN) stock price recorded a 2.45% decrease, falling to $334.01. The stock is trading 26.04% higher than 6 months ago.
DDOG-2.16%DATADOG INC - CLASS A's (NASDAQ:DDOG) shares fell 2.16% to $172.5. In the last 3 months the share price increased with 34.36%.

Our premarket losers page will show you the full list.

ALBEMARLE CORP

NYSE:ALB (2/26/2026, 12:45:59 PM)

182.7

-13.17 (-6.72%)


AMGEN INC

NASDAQ:AMGN (2/26/2026, 12:46:06 PM)

376.59

-7.74 (-2.01%)


REGENERON PHARMACEUTICALS

NASDAQ:REGN (2/26/2026, 12:45:35 PM)

755.715

-28.56 (-3.64%)


WESTERN DIGITAL CORP

NASDAQ:WDC (2/26/2026, 12:46:08 PM)

274.75

-16.2 (-5.57%)


ALPHABET INC-CL C

NASDAQ:GOOG (2/26/2026, 12:46:07 PM)

304.81

-8.22 (-2.63%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (2/26/2026, 12:46:05 PM)

31.555

-2.05 (-6.09%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (2/26/2026, 12:46:08 PM)

202.27

-8.59 (-4.07%)


NVIDIA CORP

NASDAQ:NVDA (2/26/2026, 12:46:09 PM)

186.565

-9 (-4.6%)


TERADYNE INC

NASDAQ:TER (2/26/2026, 12:45:51 PM)

332.66

-10.16 (-2.96%)


BROADCOM INC

NASDAQ:AVGO (2/26/2026, 12:46:09 PM)

313.13

-19.18 (-5.77%)


PALO ALTO NETWORKS INC

NASDAQ:PANW (2/26/2026, 12:46:08 PM)

149.345

+4.5 (+3.11%)


ARISTA NETWORKS INC

NYSE:ANET (2/26/2026, 12:46:08 PM)

128.66

-4.23 (-3.18%)


DATADOG INC - CLASS A

NASDAQ:DDOG (2/26/2026, 12:46:08 PM)

113.63

+3.3 (+2.99%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (2/26/2026, 12:46:08 PM)

134.04

-0.15 (-0.11%)



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