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

By Mill Chart - Last update: May 12, 2025

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

Unusual volume stocks

TickerChangeComment
MCK-2.75%The trading volume of MCKESSON CORP (NYSE:MCK) today is 1.6M shares, which is considered unusual. Shares are falling by 2.75%. Today's trading volume is 47.52% above the average 50-day volume, indicating a significant deviation from the norm.
IQV4.64%With 3.66M shares traded so far, IQVIA HOLDINGS INC (NYSE:IQV) is experiencing an unusual level of activity today. Shares are rising by 4.64%. The current trading volume is 85.96% above the average 50-day volume. This indicates a significant deviation from the average trading activity.
LLY3.55%ELI LILLY & CO (NYSE:LLY) has an unusual volume of 6.3M shares today. The market is favoring LLY today, as its share price records a notable increase of 3.55%. With an average daily volume of 4.07M over the past 50 days, today's volume is 54.89% above the average, indicating a potential shift in market sentiment.
NRG24.24%5.63M shares of NRG ENERGY INC (NYSE:NRG) exchanged hands today. The market is favoring NRG today, as its share price records a notable increase of 24.24%. In comparison to the average daily volume of the last 50 days, the current volume is 84.01% above. This suggests a notable change in trading activity. yesterday the company released their earnings. Earlier today the company had a press release: NRG Energy, Inc. Reports First Quarter 2025 Results and Reaffirms 2025 Financial Guidance.
FSLR7.41%FIRST SOLAR INC (NASDAQ:FSLR) has an unusual volume of 4.57M shares. FSLR is advancing 7.41% today. In comparison to the average daily volume of the last 50 days, the current volume is 20.33% above. This suggests a notable change in trading activity.
ZBRA11.17%With 1.01M shares traded so far, ZEBRA TECHNOLOGIES CORP-CL A (NASDAQ:ZBRA) is experiencing an unusual level of activity today. ZBRA is advancing 11.17% today. With an average volume of 695.89K over the past 50 days, the current volume is 45.1% above the average. This deviation signals a potential shift in market dynamics. Earlier today the company had a press release: Zebra Technologies Showcases New Intelligent Automation Solutions at Automate 2025.
SWK14.65%STANLEY BLACK & DECKER INC's (NYSE:SWK) traded a high volume of 3.84M shares. Shares in SWK are on the rise, with a gain of 14.65% observed in today's trading session. The average daily volume over the past 50 days is 2.95M. Hence, the current volume is 30.3% above the average volume, indicating a deviation from the usual trading pattern.
CI-6.08%THE CIGNA GROUP (NYSE:CI) has an unusual volume of 2.11M shares today. The current market conditions have led to a price decrease of 6.08% for CI. Today's trading volume is 20.74% above the average 50-day volume, indicating a significant deviation from the norm.

Our unusual volume stocks screener will show you the full list.

ELI LILLY & CO

NYSE:LLY (2/26/2026, 11:00:07 AM)

1013.28

-15.55 (-1.51%)


THE CIGNA GROUP

NYSE:CI (2/26/2026, 11:00:06 AM)

288.095

+3.66 (+1.28%)


STANLEY BLACK & DECKER INC

NYSE:SWK (2/26/2026, 11:00:00 AM)

87.355

+2.09 (+2.46%)


MCKESSON CORP

NYSE:MCK (2/26/2026, 11:00:07 AM)

973.06

+9.82 (+1.02%)


ZEBRA TECHNOLOGIES CORP-CL A

NASDAQ:ZBRA (2/26/2026, 10:59:48 AM)

239.24

+0.23 (+0.1%)


FIRST SOLAR INC

NASDAQ:FSLR (2/26/2026, 11:00:09 AM)

210.72

+0.6 (+0.29%)


NRG ENERGY INC

NYSE:NRG (2/26/2026, 10:59:41 AM)

178.57

-5.02 (-2.73%)


IQVIA HOLDINGS INC

NYSE:IQV (2/26/2026, 10:59:52 AM)

167.3

+5.39 (+3.33%)



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