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These S&P500 stocks have an unusual volume in today's session

By Mill Chart

Last update: May 13, 2025

Let's take a closer look at the S&P500 stocks with an unusual volume in today's session on Tuesday. Stay informed about the market activity below.

Today's unusual volume stocks

TickerChangeComment
ENPH-5.42%So far 11.65M shares of ENPHASE ENERGY INC (NASDAQ:ENPH) have traded in today's session. The share price experienced a decrease of 5.42%. The average daily volume over 50 days is 4.93M, so this is 136.0% above the average volume.
LNT0.25%ALLIANT ENERGY CORP's (NASDAQ:LNT) traded a high volume of 2.73M shares. The market is favoring LNT today, as its share price records a notable increase of 0.25%. Compared to the average daily volume of the past 50 days, the current volume is 25.06% above, suggesting an unusual level of trading activity. Yesterday the company had a press release: Alliant Energy Prices Offering of $500 Million of 3.250% Convertible Senior Notes due 2028.
BLDR6.15%Today's trading session witnessed an unusual volume of 2.18M shares for BUILDERS FIRSTSOURCE INC (NYSE:BLDR). The market is favoring BLDR today, as its share price records a notable increase of 6.15%. The average volume over the last 50 days is 1.79M, making today's volume 21.31% above the average. This signifies a notable change in market participation.
FSLR21.62%FIRST SOLAR INC's (NASDAQ:FSLR) traded a high volume of 13.08M shares. The market is favoring FSLR today, as its share price records a notable increase of 21.62%. In comparison to the average daily volume of the last 50 days, the current volume is 233.0% above. This suggests a notable change in trading activity.
DVA-1.6%The trading volume of DAVITA INC (NYSE:DVA) today is 1.14M shares, which is considered unusual. DVA is experiencing a downward trend, with a decline of 1.6%. In comparison to the average daily volume of the last 50 days, the current volume is 29.73% above. This suggests a notable change in trading activity.
UNH-15.99%UNITEDHEALTH GROUP INC (NYSE:UNH) has an unusual volume of 34.3M shares today. This decline in share price leads to a decrease of 15.99%. In comparison to the average daily volume of the last 50 days, the current volume is 391.0% above. This suggests a notable change in trading activity. Earlier today the company had a press release: INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in UnitedHealth Group Incorporated of Class Action Lawsuit and Upcoming Deadlines - UNH.
PSX5.57%The trading activity for PHILLIPS 66 (NYSE:PSX) has surged with a volume of 8.0M shares today. Investors in PSX are enjoying a price surge of 5.57% today, indicating bullish market sentiment. This volume is 135.0% above the average 50 day volume. Earlier today the company had a press release: Phillips 66 Issues Statement Following Glass Lewis and ISS Reports.

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

UNITEDHEALTH GROUP INC

NYSE:UNH (7/21/2025, 5:36:04 PM)

After market: 282.15 0.01 (0%)

282.14

-0.51 (-0.18%)


DAVITA INC

NYSE:DVA (7/21/2025, 5:18:33 PM)

After market: 139.012 -0.42 (-0.3%)

139.43

-1.73 (-1.23%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (7/21/2025, 5:05:01 PM)

After market: 122.14 +0.24 (+0.2%)

121.9

-1.25 (-1.02%)


FIRST SOLAR INC

NASDAQ:FSLR (7/21/2025, 5:20:00 PM)

After market: 178.33 0 (0%)

178.33

+2.48 (+1.41%)


ALLIANT ENERGY CORP

NASDAQ:LNT (7/21/2025, 4:30:00 PM)

After market: 64.56 0 (0%)

64.56

+0.43 (+0.67%)


ENPHASE ENERGY INC

NASDAQ:ENPH (7/21/2025, 5:31:00 PM)

After market: 39.71 +0.05 (+0.13%)

39.66

+0.08 (+0.2%)


PHILLIPS 66

NYSE:PSX (7/21/2025, 5:22:05 PM)

After market: 126.3 +0.25 (+0.2%)

126.05

+0.15 (+0.12%)



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