In today's session, there are S&P500 stocks with remarkable trading volume.

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.


unusualvolume

Top unusual volume stocks

TickerChangeComment
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.
IDXX25.39%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.

IDEXX LABORATORIES INC

NASDAQ:IDXX (2/5/2026, 8:00:02 PM)

After market: 643.59 0 (0%)

643.59

+0.65 (+0.1%)


ON SEMICONDUCTOR

NASDAQ:ON (2/5/2026, 8:00:02 PM)

After market: 61.79 -1.31 (-2.08%)

63.1

+1.04 (+1.68%)


BERKSHIRE HATHAWAY INC-CL B

NYSE:BRK.B (2/5/2026, 8:12:00 PM)

After market: 504.06 +0.17 (+0.03%)

503.89

+0.06 (+0.01%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (2/5/2026, 8:04:00 PM)

After market: 52.8759 -1 (-1.86%)

53.88

-3.22 (-5.64%)



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