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.
Pre-market gainers
| Ticker | Change | Comment |
|---|---|---|
| AMZN | 13.65% | 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. |
| WDC | 12.21% | 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. |
| LYB | 5.81% | 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. |
| CHD | 4.29% | 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. |
| AON | 4.12% | 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. |
| FSLR | 4.03% | 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. |
| COIN | 3.49% | 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. |
| A | 3.15% | 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. |
| WBD | 2.91% | 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%. |
| HOOD | 2.74% | 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
| Ticker | Change | Comment |
|---|---|---|
| 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.
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