Which S&P500 stocks have an unusual volume on Tuesday?

By Mill Chart - Last update: Aug 5, 2025

Discover the S&P500 stocks that are experiencing unusual trading volume in today's session. Find out more about these stocks below.


unusualvolume

Today's unusual volume stocks

TickerChangeComment
IDXX-5.7%IDEXX LABORATORIES INC (NASDAQ:IDXX) has an unusual volume of 933.96K shares. This decline in share price leads to a decrease of 5.7%. The current trading volume is 60.25% above the average 50-day volume. This indicates a significant deviation from the average trading activity. Yesterday the company had a press release: IDEXX Laboratories Announces Second Quarter Results.
ZBRA-10.46%The trading activity for ZEBRA TECHNOLOGIES CORP-CL A (NASDAQ:ZBRA) has surged with a volume of 1.16M shares today. ZBRA is experiencing a downward trend, with a decline of 10.46%. With an average volume of 465.38K over the past 50 days, the current volume is 150.0% above the average. This deviation signals a potential shift in market dynamics. The company's earnings where released Yesterday. A press release (Zebra Technologies Announces Second-Quarter 2025 Results) was released earlier today.
CHTR1.96%2.07M shares of CHARTER COMMUNICATIONS INC-A (NASDAQ:CHTR) have been traded so far today. Investors in CHTR are enjoying a price surge of 1.96% today, indicating bullish market sentiment. This is 23.39% above the average daily volume of the last 50 days.
APTV-0.15%5.29M shares of APTIV PLC (NYSE:APTV) exchanged hands today. The share price experienced a decrease of 0.15%. This volume is 128.0% above the average 50 day volume.
AWK-3.6%The trading activity for AMERICAN WATER WORKS CO INC (NYSE:AWK) has surged with a volume of 3.83M shares today. The share price has dropped by 3.6% in today's session. Today's trading volume is 222.0% above the average 50-day volume, indicating a significant deviation from the norm. Yesterday the company had a press release: American Water Announces Pricing of Common Stock Offering of 7,042,254 Shares with a Forward Component.
VRTX-16.82%6.27M shares of VERTEX PHARMACEUTICALS INC (NASDAQ:VRTX) have been traded so far today. The price decline of 16.82% reflects a downward movement in VRTX shares. The average daily volume over the past 50 days is 1.28M. Hence, the current volume is 390.0% above the average volume, indicating a deviation from the usual trading pattern. Yesterday the company had a press release: Vertex Reports Second Quarter 2025 Financial Results.
YUM-2.67%2.7M shares of YUM! BRANDS INC (NYSE:YUM) exchanged hands today. YUM is experiencing a downward trend, with a decline of 2.67%. The average volume over the last 50 days is 1.9M, making today's volume 41.95% above the average. This signifies a notable change in market participation. YUM! BRANDS INC released earnings Yesterday. A press release (Yum! Brands Reports Second-Quarter Results) was released earlier today.
SBAC-3.87%1.01M shares of SBA COMMUNICATIONS CORP (NASDAQ:SBAC) exchanged hands today. Leading to a price decrease of 3.87%. Today's trading volume is 45.28% above the average 50-day volume, indicating a significant deviation from the norm. A press release (SBA Communications Corporation Reports Second Quarter 2025 Results; Updates Full Year 2025 Outlook; and Declares Quarterly Cash Dividend) was released yesterday.
DD3.04%Today, DUPONT DE NEMOURS INC (NYSE:DD) stands out with a high volume of 3.82M shares. Shares in DD are on the rise, with a gain of 3.04% observed in today's trading session. This is 43.38% above the average daily volume of the last 50 days. DUPONT DE NEMOURS INC released earnings Yesterday. Yesterday the company had a press release: Chemours, DuPont and Corteva Reach Agreement with the State of New Jersey to Comprehensively Resolve All Environmental Claims Including PFAS.
ACN-2.86%Today's trading session witnessed an unusual volume of 4.7M shares for ACCENTURE PLC-CL A (NYSE:ACN). The current market conditions have led to a price decrease of 2.86% for ACN. The current trading volume is 30.69% above the average 50-day volume. This indicates a significant deviation from the average trading activity.

To see the full list of unusual volume stocks you can use our unusual volume stocks screener.

DUPONT DE NEMOURS INC

NYSE:DD (2/25/2026, 2:50:02 PM)

50.59

-0.48 (-0.94%)


IDEXX LABORATORIES INC

NASDAQ:IDXX (2/25/2026, 2:49:37 PM)

661.37

+12.14 (+1.87%)


VERTEX PHARMACEUTICALS INC

NASDAQ:VRTX (2/25/2026, 2:49:19 PM)

482.445

-4.99 (-1.02%)


ACCENTURE PLC-CL A

NYSE:ACN (2/25/2026, 2:50:05 PM)

192.04

-4.69 (-2.38%)


YUM! BRANDS INC

NYSE:YUM (2/25/2026, 2:49:52 PM)

165.315

-0.63 (-0.38%)


ZEBRA TECHNOLOGIES CORP-CL A

NASDAQ:ZBRA (2/25/2026, 2:50:09 PM)

239.825

+3.99 (+1.69%)


SBA COMMUNICATIONS CORP

NASDAQ:SBAC (2/25/2026, 2:50:03 PM)

197.35

-4.25 (-2.11%)


AMERICAN WATER WORKS CO INC

NYSE:AWK (2/25/2026, 2:50:02 PM)

133.51

-0.57 (-0.43%)


CHARTER COMMUNICATIONS INC-A

NASDAQ:CHTR (2/25/2026, 2:50:06 PM)

226.84

-5.01 (-2.16%)


APTIV PLC

NYSE:APTV (2/25/2026, 2:50:01 PM)

76.78

-0.91 (-1.17%)



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