By Mill Chart
Last update: Aug 4, 2025
In today's session, there are S&P500 stocks with remarkable trading volume. Explore the stocks exhibiting unusual volume in Monday's session.

| Ticker | Change | Comment |
|---|---|---|
| LYB | -3.99% | LYONDELLBASELL INDU-CL A's (NYSE:LYB) traded a high volume of 5.41M shares. Shares are witnessing a downward movement, with a decrease of 3.99%. Today's trading volume is 24.64% above the average 50-day volume, indicating a significant deviation from the norm. |
| IDXX | 25.39% | The stock of IDEXX LABORATORIES INC (NASDAQ:IDXX) has caught attention with a significant volume of 2.32M shares today. Investors in IDXX are enjoying a price surge of 25.39% today, indicating bullish market sentiment. The current trading volume is 339.0% above the average 50-day volume. This indicates a significant deviation from the average trading activity. The company's earnings where released Yesterday. Earlier today the company had a press release: IDEXX Laboratories Announces Second Quarter Results. |
| ON | -11.4% | ON SEMICONDUCTOR (NASDAQ:ON) has an unusual volume of 13.71M shares. ON is declining 11.4% today. In comparison to the average daily volume of the last 50 days, the current volume is 42.16% above. This suggests a notable change in trading activity. ON SEMICONDUCTOR released earnings Yesterday. A press release (onsemi Reports Second Quarter 2025 Results) was released earlier today. |
| BRK.B | -2.86% | Today's trading session witnessed an unusual volume of 5.98M shares for BERKSHIRE HATHAWAY INC-CL B (NYSE:BRK.B). The current market conditions have led to a price decrease of 2.86% for BRK.B. This volume is 30.28% above the average 50 day volume. yesterday the company released their earnings. |
For the full unusual volume stocks list go to our unusual volume stocks screener.
NASDAQ:IDXX (12/5/2025, 12:54:51 PM)
715.08
-2.39 (-0.33%)
NASDAQ:ON (12/5/2025, 12:55:10 PM)
55.715
+0.93 (+1.69%)
NYSE:BRK.B (12/5/2025, 12:55:08 PM)
504.21
+0.98 (+0.19%)
NYSE:LYB (12/5/2025, 12:55:09 PM)
43.495
+0.34 (+0.78%)
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