Monday's pre-market session: top gainers and losers in the S&P500 index
By Mill Chart
Last update: Aug 4, 2025
As we await the opening of the US market on Monday, let's delve into the pre-market session and discover the S&P500 top gainers and losers shaping the early market sentiment.
Pre-market gainers
| Ticker | Change | Comment |
|---|---|---|
| IDXX | 13.9% | IDEXX LABORATORIES INC's (NASDAQ:IDXX) shares surged 13.9% to reach $610.0 during the pre-market session on Monday. The company's earnings where released Yesterday. A press release (IDEXX Laboratories Announces Second Quarter Results) was released earlier today. |
| PPG | 5.0% | The pre-market session on Monday saw a significant rise in PPG INDUSTRIES INC's (NYSE:PPG) shares, climbing 5.0% to $109.66. |
| APH | 4.09% | Pre-market trading on Monday showed positive momentum for AMPHENOL CORP-CL A (NYSE:APH), as the stock price advanced 4.09% to reach $108.58. Earlier today the company had a press release: Amphenol Corporation to Acquire Connectivity and Cable Solutions Business From CommScope. |
| TSN | 4.02% | Exciting news for TYSON FOODS INC-CL A (NYSE:TSN) as their shares soared 4.02% to $54.64 during the pre-market session on Monday. yesterday the company released their earnings. |
| ETN | 3.31% | EATON CORP PLC's (NYSE:ETN) shares surged 3.31% to reach $393.91 during the pre-market session on Monday. EATON CORP PLC is releasing earnings today. In the last 3 months the stock gained 27.22%. |
| SMCI | 2.58% | During Monday's pre-market trading, SUPER MICRO COMPUTER INC (NASDAQ:SMCI) demonstrated strong momentum, with the stock price rising 2.58% to $58.1. Today SMCI is releasing earnings. In the last 3 months the stock gained 68.02%. |
| AMD | 2.4% | ADVANCED MICRO DEVICES (NASDAQ:AMD) rose 2.4% to $175.82 during Monday's pre-market session. The company is releasing earnings today. Shareholders saw the stock price going 24.5% higher in the past month. |
| WAT | 2.3% | WATERS CORP's (NYSE:WAT) shares rose 2.3% to $297.0 during Monday's pre-market session. WATERS CORP released earnings Yesterday. Shareholders saw the stock price going 30.13% lower is the past 6 months. |
| TSLA | 2.27% | TESLA INC (NASDAQ:TSLA) recorded a 2.27% increase in share price during the pre-market session, reaching $309.49 on Monday. In the last 6 months the stock lost 25.2%. |
| ALGN | 2.18% | ALIGN TECHNOLOGY INC's (NASDAQ:ALGN) stock price increased by 2.18% to $139.5. The stock is trading 30.64% lower than a month ago. |
To see the full list of premarket gainers you can use our premarket gainers page.
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