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

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


unusualvolume

S&P500 unusual volume up stocks

TickerChangeComment
MAS-10.39%The trading volume of MASCO CORP (NYSE:MAS) today is 4.96M shares, which is considered unusual. MAS is declining 10.39% today. The average daily volume over 50 days is 2.39M, so this is 108.0% above the average volume. A press release (Masco Corporation Reports Second Quarter 2026 Results) was released earlier today.
BXP5.46%BXP INC's (NYSE:BXP) traded a high volume of 1.91M shares. Shares are rising by 5.46%. With an average volume of 1.42M over the past 50 days, the current volume is 35.0% above the average. This deviation signals a potential shift in market dynamics. Yesterday the company had a press release: BXP Secures $1.2 Billion Construction Loan for 343 Madison Avenue.
GEHC10.03%8.43M shares of GE HEALTHCARE TECHNOLOGY (NASDAQ:GEHC) exchanged hands today. GEHC is advancing 10.03% today. With an average volume of 5.16M over the past 50 days, the current volume is 63.56% above the average. This deviation signals a potential shift in market dynamics. Earlier today the company had a press release: GE HealthCare reports second quarter 2026 financial results.
GNRC-1.35%So far 1.48M shares of GENERAC HOLDINGS INC (NYSE:GNRC) have traded in today's session. The price of GNRC is experiencing a downturn, with a decrease of 1.35%. With an average volume of 951.79K over the past 50 days, the current volume is 55.81% above the average. This deviation signals a potential shift in market dynamics. A press release (Generac Reports Second Quarter 2026 Results) was released earlier today.
CSGP-1.63%The stock of COSTAR GROUP INC (NASDAQ:CSGP) has caught attention with a significant volume of 9.98M shares today. The price of CSGP is experiencing a downturn, with a decrease of 1.63%. The average volume measured over 50 days is 7.81M, so this is 27.8% above the average volume. Yesterday the company had a press release: CoStar Group Q2 2026 Results Mark a Profitability Inflection with Revenue Up 18%, Net Income Increasing 817%, and Adjusted EBITDA More Than Doubling Year-over-Year.
GRMN18.96%Today, GARMIN LTD (NYSE:GRMN) stands out with a high volume of 1.61M shares. The share price of GRMN increased by 18.96% today, reflecting positive market movement. The current trading volume is 86.48% above the average 50-day volume. This indicates a significant deviation from the average trading activity. A press release (Garmin announces second quarter 2026 results) was released earlier today.
LII-19.35%LENNOX INTERNATIONAL INC's (NYSE:LII) traded a high volume of 1.02M shares. Shares are witnessing a downward movement, with a decrease of 19.35%. The current trading volume is 146.0% above the average 50-day volume. This indicates a significant deviation from the average trading activity. A press release (Lennox Reports 2026 Second Quarter Results) was released earlier today.
SWKS-3.73%9.25M shares of SKYWORKS SOLUTIONS INC (NASDAQ:SWKS) exchanged hands today. SWKS is experiencing a downward trend, with a decline of 3.73%. In comparison to the average daily volume of the last 50 days, the current volume is 71.68% above. This suggests a notable change in trading activity. A press release (Skyworks Delivers Solid Third Quarter Fiscal Year 2026 Results; Announces Key Steps Toward Qorvo Combination) was released yesterday.
BSX0.29%BOSTON SCIENTIFIC CORP (NYSE:BSX) has an unusual volume of 30.04M shares. Shares in BSX are on the rise, with a gain of 0.29% observed in today's trading session. The average volume measured over 50 days is 20.82M, so this is 44.31% above the average volume. Earlier today the company had a press release: Boston Scientific announces results for second quarter 2026.
HUM-6.66%1.98M shares of HUMANA INC (NYSE:HUM) have been traded so far today. The share price experienced a decrease of 6.66%. With an average daily volume of 1.4M over the past 50 days, today's volume is 41.5% above the average, indicating a potential shift in market sentiment. Earlier today the company had a press release: Humana Elects Paul Smith and Frederick Crawford to Board of Directors.

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Boston Scientific Corporation (BSX)

BXP, Inc. (BXP)

CoStar Group, Inc. (CSGP)

GE HealthCare Technologies Inc. (GEHC)

Generac Holdings Inc. (GNRC)

Garmin Ltd. (GRMN)

Humana Inc. (HUM)

Lennox International, Inc. (LII)

Masco Corporation (MAS)

Skyworks Solutions, Inc. (SWKS)