Top S&P500 movers in Friday's pre-market session

By Mill Chart - Last update: Oct 31, 2025

Stay updated with the S&P500 stocks that are on the move in today's pre-market session.


premarket

Pre-market gainers

TickerChangeComment
AMZN13.65%Investors witnessed a remarkable surge in AMAZON.COM INC (NASDAQ:AMZN) during Friday's pre-market session, with the stock price rising 13.65% to $253.27. A press release (Amazon.com Announces Third Quarter Results) was released yesterday.
WDC12.21%The pre-market session on Friday saw a significant rise in WESTERN DIGITAL CORP's (NASDAQ:WDC) shares, climbing 12.21% to $155.0. A press release (Western Digital Reports Fiscal First Quarter 2026 Financial Results) was released yesterday.
LYB5.81%Investors witnessed a remarkable surge in LYONDELLBASELL INDU-CL A (NYSE:LYB) during Friday's pre-market session, with the stock price rising 5.81% to $47.82. yesterday the company released their earnings. Earlier today the company had a press release: LyondellBasell reports third quarter 2025 earnings.
CHD4.29%The pre-market session on Friday saw a significant rise in CHURCH & DWIGHT CO INC's (NYSE:CHD) shares, climbing 4.29% to $85.31. CHURCH & DWIGHT CO INC released earnings Yesterday. A press release (Church & Dwight Reports Q3 2025 Results) was released earlier today.
AON4.12%AON PLC-CLASS A (NYSE:AON) recorded a 4.12% increase in share price during the pre-market session, reaching $341.7 on Friday. The company's earnings where released Yesterday.
FSLR4.03%FIRST SOLAR INC's (NASDAQ:FSLR) shares rose 4.03% to $243.0. Yesterday the company had a press release: First Solar, Inc. Announces Third Quarter 2025 Financial Results and Updates Guidance.
COIN3.49%COINBASE GLOBAL INC -CLASS A's (NASDAQ:COIN) stock price increased by 3.49% to $339.97. Shareholders saw the stock price going 60.3% higher is the past 6 months.
A3.15%AGILENT TECHNOLOGIES INC's (NYSE:A) stock price is advancing with 3.15% to a price of $147.87. A press release (Agilent to Announce Fourth-Quarter Fiscal Year 2025 Financial Results on Nov. 24) was released yesterday.
WBD2.91%During Friday's pre-market trading, WARNER BROS DISCOVERY INC (NASDAQ:WBD) demonstrated strong momentum, with the stock price rising 2.91% to $22.25. In the last 3 months the stock gained 67.99%.
HOOD2.74%ROBINHOOD MARKETS INC - A's (NASDAQ:HOOD) shares rose 2.74% to $141.85 during Friday's pre-market session. Yesterday the company had a press release: Earnings & Chill: Opendoor To Stream Earnings Direct to Investors on Robinhood, Debuting New 'Financial Open House' Format and Interactive Q&A for Shareholders.

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

Today's pre-market losers

TickerChangeComment
DXCM-14.09%Friday's pre-market session showed a 14.09% decrease in the stock price of DEXCOM INC (NASDAQ:DXCM), reaching $58.59. Yesterday the company had a press release: Dexcom Reports Third Quarter 2025 Financial Results and Updates Full Year 2025 Guidance.
CHTR-8.63%CHARTER COMMUNICATIONS INC-A's (NASDAQ:CHTR) shares fell 8.63% to $211.0. The company's earnings where released Yesterday. The stock is trading 40.02% lower than 6 months ago.
AJG-8.14%The pre-market session on Friday witnessed a 8.14% decrease in ARTHUR J GALLAGHER & CO's (NYSE:AJG) shares, with the stock price falling to $240.71. In the last 6 months the share price dropped with 20.86%.
MPWR-5.11%MONOLITHIC POWER SYSTEMS INC's (NASDAQ:MPWR) shares fell 5.11% to $1.03K. Shareholders saw the stock price going 38.43% higher in the past 3 months.
IR-4.74%INGERSOLL-RAND INC's (NYSE:IR) stock price recorded a 4.74% decrease, falling to $75.0.
MSCI-3.05%Today's pre-market session reveals a 3.05% decline in the stock price of MSCI INC (NYSE:MSCI), now priced at $565.38. Earlier today the company had a press release: MSCI Prices $500 million 5.150% Senior Unsecured Notes Due 2036.
RSG-3.03%REPUBLIC SERVICES INC's (NYSE:RSG) shares fell 3.03% to $203.56 during Friday's pre-market session.
CMCSA-2.64%The stock price of COMCAST CORP-CLASS A (NASDAQ:CMCSA) is experiencing a decline of 2.64%, reaching $26.6 in today's pre-market session on Friday. A press release (Comcast Names Steve Croney CEO of Connectivity & Platforms, Succeeding Dave Watson, Who Will Become Vice Chairman of Comcast Corporation) was released yesterday.
CL-2.1%COLGATE-PALMOLIVE CO's (NYSE:CL) stock price decreased by 2.1% to $74.9. The company's earnings where released Yesterday. Earlier today the company had a press release: Colgate-Palmolive Company Announces 3rd Quarter 2025 Results.
BF.B-2.1%Today's pre-market session reveals a 2.1% decline in the stock price of BROWN-FORMAN CORP-CLASS B (NYSE:BF.B), now priced at $26.11. In the last 6 months the share price dropped with 22.7%.

For the full premarket loser list go to our premarket losers page.

CHURCH & DWIGHT CO INC

NYSE:CHD (2/26/2026, 8:16:29 PM)

After market: 103.67 0 (0%)

103.67

+0.04 (+0.04%)


COLGATE-PALMOLIVE CO

NYSE:CL (2/26/2026, 8:18:01 PM)

After market: 98 +0.45 (+0.46%)

97.55

+0.88 (+0.91%)


ARTHUR J GALLAGHER & CO

NYSE:AJG (2/26/2026, 8:10:03 PM)

After market: 225.22 0 (0%)

225.22

+7.09 (+3.25%)


DEXCOM INC

NASDAQ:DXCM (2/26/2026, 8:22:37 PM)

After market: 74.38 0 (0%)

74.38

+1.22 (+1.67%)


INGERSOLL-RAND INC

NYSE:IR (2/26/2026, 8:04:00 PM)

After market: 94.53 0 (0%)

94.53

+1.51 (+1.62%)


REPUBLIC SERVICES INC

NYSE:RSG (2/26/2026, 8:04:00 PM)

After market: 224.6 0.01 (0%)

224.59

+3 (+1.35%)


AMAZON.COM INC

NASDAQ:AMZN (2/26/2026, 8:10:23 PM)

Premarket: 207.01 -0.91 (-0.44%)

207.92

-2.72 (-1.29%)


COMCAST CORP-CLASS A

NASDAQ:CMCSA (2/26/2026, 8:18:28 PM)

After market: 30.78 -0.07 (-0.23%)

30.85

+0.06 (+0.19%)


WESTERN DIGITAL CORP

NASDAQ:WDC (2/26/2026, 8:03:17 PM)

Premarket: 280.77 -1.48 (-0.52%)

282.25

-8.7 (-2.99%)


AGILENT TECHNOLOGIES INC

NYSE:A (2/26/2026, 8:08:56 PM)

After market: 120.75 -0.22 (-0.18%)

120.97

-3.75 (-3.01%)


FIRST SOLAR INC

NASDAQ:FSLR (2/26/2026, 8:00:00 PM)

Premarket: 200.05 -0.05 (-0.02%)

200.1

-10.02 (-4.77%)


MONOLITHIC POWER SYSTEMS INC

NASDAQ:MPWR (2/26/2026, 9:47:03 PM)

Premarket: 1179 -1.13 (-0.1%)

1180.13

-51.82 (-4.21%)


AON PLC-CLASS A

NYSE:AON (2/26/2026, 8:10:30 PM)

After market: 330.27 0 (0%)

330.27

+5.61 (+1.73%)


CHARTER COMMUNICATIONS INC-A

NASDAQ:CHTR (2/26/2026, 8:16:45 PM)

After market: 228.38 0 (0%)

228.38

+2.63 (+1.17%)


BROWN-FORMAN CORP-CLASS B

NYSE:BF.B (2/26/2026, 8:11:59 PM)

After market: 28.4 -0.08 (-0.28%)

28.48

+0.38 (+1.35%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (2/26/2026, 8:04:00 PM)

After market: 55.58 -0.72 (-1.28%)

56.3

-0.45 (-0.79%)


MSCI INC

NYSE:MSCI (2/26/2026, 8:04:00 PM)

Premarket: 571.2 -1.67 (-0.29%)

572.87

+16 (+2.87%)


COINBASE GLOBAL INC -CLASS A

NASDAQ:COIN (2/26/2026, 8:19:03 PM)

Premarket: 179.7 -1.36 (-0.75%)

181.06

-2.88 (-1.57%)


ROBINHOOD MARKETS INC - A

NASDAQ:HOOD (2/26/2026, 8:00:02 PM)

Premarket: 78.56 -0.89 (-1.12%)

79.45

+1.92 (+2.48%)


WARNER BROS DISCOVERY INC

NASDAQ:WBD (2/26/2026, 8:03:13 PM)

Premarket: 28.18 -0.62 (-2.15%)

28.8

-0.1 (-0.35%)



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