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Let's take a look at the S&P500 stocks that are experiencing unusual volume in today's session.

By Mill Chart

Last update: Jul 24, 2025

Curious about which S&P500 stocks are generating unusual volume on Thursday? Find out below.


unusualvolume

Top unusual volume stocks

TickerChangeComment
MOH-13.06%MOLINA HEALTHCARE INC's (NYSE:MOH) traded a high volume of 2.92M shares. MOH is declining 13.06% today. With an average daily volume of 950.07K over the past 50 days, today's volume is 207.0% above the average, indicating a potential shift in market sentiment. A press release (Molina Healthcare Reports Second Quarter 2025 Financial Results) was released yesterday.
NSC-0.33%2.13M shares of NORFOLK SOUTHERN CORP (NYSE:NSC) exchanged hands today. This decline in share price leads to a decrease of 0.33%. Compared to the average daily volume of the past 50 days, the current volume is 43.28% above, suggesting an unusual level of trading activity.
RF0.38%13.86M shares of REGIONS FINANCIAL CORP (NYSE:RF) exchanged hands today. Leading to a price increase of 0.38%. In comparison to the average daily volume of the last 50 days, the current volume is 42.92% above. This suggests a notable change in trading activity. Yesterday the company had a press release: Regions Bank Unveils Mobile App Enhancements, More Innovations on the Way.
UNP-2.98%UNION PACIFIC CORP's (NYSE:UNP) traded a high volume of 4.6M shares. The price of UNP is experiencing a downturn, with a decrease of 2.98%. The average daily volume over 50 days is 3.11M, so this is 47.76% above the average volume. UNION PACIFIC CORP released earnings Yesterday. A press release (Union Pacific Reports Second Quarter 2025 Results) was released earlier today.
WST21.87%So far 1.48M shares of WEST PHARMACEUTICAL SERVICES (NYSE:WST) have traded in today's session. Shares are rising by 21.87%. The current trading volume is 132.0% above the average 50-day volume. This indicates a significant deviation from the average trading activity. yesterday the company released their earnings.
TMO3.15%3.65M shares of THERMO FISHER SCIENTIFIC INC (NYSE:TMO) exchanged hands today. The share price of TMO increased by 3.15% today, reflecting positive market movement. With an average daily volume of 2.83M over the past 50 days, today's volume is 28.81% above the average, indicating a potential shift in market sentiment. Yesterday the company had a press release: Thermo Fisher Scientific’s Chief Financial Officer, Stephen Williamson, to Retire in Early 2026.
CNC-7.34%Today, CENTENE CORP (NYSE:CNC) stands out with a high volume of 16.08M shares. This decline in share price leads to a decrease of 7.34%. Compared to the average daily volume of the past 50 days, the current volume is 45.79% above, suggesting an unusual level of trading activity. Today CNC is releasing earnings. Earlier today the company had a press release: Levi & Korsinsky Announces the Filing of a Securities Class Action on Behalf of Centene Corporation (CNC) Shareholders.
DOV-2.87%With 1.26M shares traded so far, DOVER CORP (NYSE:DOV) is experiencing an unusual level of activity today. Leading to a price decrease of 2.87%. The average volume over the last 50 days is 966.72K, making today's volume 30.21% above the average. This signifies a notable change in market participation. The company's earnings where released Yesterday.
IBM-7.25%The trading volume of INTL BUSINESS MACHINES CORP (NYSE:IBM) today is 15.73M shares, which is considered unusual. IBM is showing a decline of 7.25% in today's trading. The average volume over the last 50 days is 3.72M, making today's volume 323.0% above the average. This signifies a notable change in market participation.
LVS4.56%8.84M shares of LAS VEGAS SANDS CORP (NYSE:LVS) exchanged hands today. Shares are rising by 4.56%. The average volume measured over 50 days is 5.01M, so this is 76.23% above the average volume.

For the full unusual volume stocks list go to our unusual volume stocks screener.

REGIONS FINANCIAL CORP

NYSE:RF (10/17/2025, 8:04:00 PM)

After market: 23.55 -0.03 (-0.13%)

23.58

+0.23 (+0.99%)


CENTENE CORP

NYSE:CNC (10/17/2025, 8:04:00 PM)

After market: 35.39 +0.12 (+0.34%)

35.27

-0.37 (-1.04%)


MOLINA HEALTHCARE INC

NYSE:MOH (10/17/2025, 8:04:00 PM)

After market: 192.68 0 (0%)

192.68

+4.12 (+2.18%)


WEST PHARMACEUTICAL SERVICES

NYSE:WST (10/17/2025, 8:04:00 PM)

After market: 270.6 0 (0%)

270.6

+3.41 (+1.28%)


DOVER CORP

NYSE:DOV (10/17/2025, 8:07:05 PM)

After market: 166.5 0 (0%)

166.5

+0.37 (+0.22%)


NORFOLK SOUTHERN CORP

NYSE:NSC (10/17/2025, 8:04:00 PM)

After market: 289.78 0 (0%)

289.78

+1.29 (+0.45%)


UNION PACIFIC CORP

NYSE:UNP (10/17/2025, 8:04:00 PM)

After market: 226.04 0 (0%)

226.04

+2 (+0.89%)


LAS VEGAS SANDS CORP

NYSE:LVS (10/17/2025, 8:26:09 PM)

After market: 48.62 +0.08 (+0.16%)

48.54

-0.6 (-1.22%)


INTL BUSINESS MACHINES CORP

NYSE:IBM (10/17/2025, 8:19:30 PM)

After market: 281.25 -0.03 (-0.01%)

281.28

+5.31 (+1.92%)


THERMO FISHER SCIENTIFIC INC

NYSE:TMO (10/17/2025, 8:04:00 PM)

After market: 538.92 0 (0%)

538.92

+2.14 (+0.4%)



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