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

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 (1/27/2026, 8:09:19 PM)

After market: 92.33 0 (0%)

92.33

+0.4 (+0.44%)


COLGATE-PALMOLIVE CO

NYSE:CL (1/27/2026, 8:11:43 PM)

Premarket: 85.3 -0.46 (-0.54%)

85.76

+0.56 (+0.66%)


ARTHUR J GALLAGHER & CO

NYSE:AJG (1/27/2026, 8:04:00 PM)

Premarket: 242.33 0 (0%)

242.33

-13.08 (-5.12%)


DEXCOM INC

NASDAQ:DXCM (1/27/2026, 8:19:05 PM)

After market: 73.35 -0.32 (-0.43%)

73.67

+0.33 (+0.45%)


INGERSOLL-RAND INC

NYSE:IR (1/27/2026, 8:04:00 PM)

After market: 86.27 0 (0%)

86.27

-0.52 (-0.6%)


REPUBLIC SERVICES INC

NYSE:RSG (1/27/2026, 8:04:00 PM)

After market: 217.19 0 (0%)

217.19

-1.89 (-0.86%)


AMAZON.COM INC

NASDAQ:AMZN (1/27/2026, 8:00:00 PM)

Premarket: 245.89 +1.21 (+0.49%)

244.68

+6.26 (+2.63%)


COMCAST CORP-CLASS A

NASDAQ:CMCSA (1/27/2026, 8:12:27 PM)

Premarket: 28.66 -0.04 (-0.14%)

28.7

-0.73 (-2.48%)


WESTERN DIGITAL CORP

NASDAQ:WDC (1/27/2026, 8:00:02 PM)

Premarket: 270.93 +18.27 (+7.23%)

252.66

+11.81 (+4.9%)


AGILENT TECHNOLOGIES INC

NYSE:A (1/27/2026, 8:04:00 PM)

Premarket: 134.84 -1.11 (-0.82%)

135.95

+0.3 (+0.22%)


FIRST SOLAR INC

NASDAQ:FSLR (1/27/2026, 8:00:00 PM)

Premarket: 236.88 +1.83 (+0.78%)

235.05

-7.92 (-3.26%)


MONOLITHIC POWER SYSTEMS INC

NASDAQ:MPWR (1/27/2026, 10:32:27 PM)

Premarket: 1113.08 +17.59 (+1.61%)

1095.49

+27.35 (+2.56%)


AON PLC-CLASS A

NYSE:AON (1/27/2026, 8:04:00 PM)

After market: 330.75 0 (0%)

330.75

-8.12 (-2.4%)


CHARTER COMMUNICATIONS INC-A

NASDAQ:CHTR (1/27/2026, 8:09:44 PM)

Premarket: 183.1 +0.11 (+0.06%)

182.99

-10.8 (-5.57%)


BROWN-FORMAN CORP-CLASS B

NYSE:BF.B (1/27/2026, 8:04:00 PM)

After market: 26.75 -0.02 (-0.07%)

26.77

-0.64 (-2.33%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (1/27/2026, 8:04:00 PM)

Premarket: 50.85 +0.42 (+0.83%)

50.43

-0.43 (-0.85%)


MSCI INC

NYSE:MSCI (1/27/2026, 8:04:00 PM)

Premarket: 560 -21.75 (-3.74%)

581.75

-12.41 (-2.09%)


COINBASE GLOBAL INC -CLASS A

NASDAQ:COIN (1/27/2026, 8:13:23 PM)

Premarket: 213.289 +2.46 (+1.17%)

210.83

-2.65 (-1.24%)


ROBINHOOD MARKETS INC - A

NASDAQ:HOOD (1/27/2026, 8:00:02 PM)

Premarket: 105.85 +0.61 (+0.58%)

105.24

-1.76 (-1.64%)


WARNER BROS DISCOVERY INC

NASDAQ:WBD (1/27/2026, 10:59:58 PM)

Premarket: 28.06 -0.01 (-0.04%)

28.07

-0.17 (-0.6%)



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