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 16, 2025
Let's have a look at the S&P500 stocks with an unusual volume in today's session.
Top unusual volume stocks
| Ticker | Change | Comment |
|---|---|---|
| UNH | 3.04% | UNITEDHEALTH GROUP INC (NYSE:UNH) has an unusual volume of 37.01M shares. UNH is advancing 3.04% today. The average volume over the last 50 days is 11.11M, making today's volume 233.0% above the average. This signifies a notable change in market participation. Two days ago the company had a press release: UNH INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces That UnitedHealth Group Incorporated Investors With Substantial Losses Have Opportunity to Lead Class Action Lawsuit. |
| NRG | 1.42% | The trading activity for NRG ENERGY INC (NYSE:NRG) has surged with a volume of 4.53M shares today. Shares in NRG are on the rise, with a gain of 1.42% observed in today's trading session. The average daily volume over 50 days is 3.36M, so this is 34.8% above the average volume. Yesterday the company had a press release: NRG Energy, Inc. Announces Redemption of Any and All Outstanding Convertible Senior Notes due 2048. |
| SMCI | 3.34% | SUPER MICRO COMPUTER INC's (NASDAQ:SMCI) traded a high volume of 70.35M shares. SMCI is experiencing an advancement of 3.34% in its share price today. The average daily volume over 50 days is 56.0M, so this is 25.62% above the average volume. |
| FI | 4.67% | With 6.32M shares traded so far, FISERV INC (NYSE:FI) is experiencing an unusual level of activity today. The market is favoring FI today, as its share price records a notable increase of 4.67%. The current trading volume is 48.15% above the average 50-day volume. This indicates a significant deviation from the average trading activity. |
| AMAT | -6.15% | APPLIED MATERIALS INC (NASDAQ:AMAT) has an unusual volume of 10.03M shares today. The price of AMAT is experiencing a downturn, with a decrease of 6.15%. With an average volume of 7.96M over the past 50 days, the current volume is 25.95% above the average. This deviation signals a potential shift in market dynamics. Yesterday the company had a press release: Applied Materials Announces Second Quarter 2025 Results. |
| CHTR | 0.93% | The stock of CHARTER COMMUNICATIONS INC-A (NASDAQ:CHTR) has caught attention with a significant volume of 2.53M shares today. Shares in CHTR are on the rise, with a gain of 0.93% observed in today's trading session. The average volume over the last 50 days is 1.45M, making today's volume 73.87% above the average. This signifies a notable change in market participation. Earlier today the company had a press release: CHTR Stock Alert: Halper Sadeh LLC Is Investigating Whether the Merger of Charter Communications, Inc. Is Fair to Shareholders. |
Our unusual volume stocks screener will show you the full list.
NYSE:UNH (11/3/2025, 9:30:03 AM)
339.596
-1.96 (-0.58%)
NASDAQ:SMCI (11/3/2025, 9:30:00 AM)
52.775
+0.81 (+1.57%)
233.1
+0.55 (+0.24%)
NYSE:NRG (11/3/2025, 9:30:01 AM)
173.945
+2.53 (+1.47%)
NYSE:FI (11/3/2025, 9:30:03 AM)
66.145
-0.55 (-0.82%)
NASDAQ:CHTR (11/3/2025, 9:30:00 AM)
231.305
-2.53 (-1.08%)
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UNH Latest News and Analysis
6 days ago - By: Chartmill
