Major U.S. stock indices closed lower on Monday, with the Dow Jones Industrial Average falling 0.29% to 52,421.20, the S&P 500 declining 0.48% to 7,619.98 and the Nasdaq Composite slipping 0.56% to 26,186.41.
The semiconductor sector faced significant pressure, while security software stocks saw gains. Meanwhile, the 10-year Treasury yield briefly surpassed 5%, marking its highest closing level since 2007.
These are the top stocks that gained the attention of retail traders and investors through the day:
CrowdStrike Holdings Inc. (NASDAQ:CRWD)
CrowdStrike’s stock surged 13.85% to close at $235.38, reaching an intraday high of $239.37 and a low of $216.05. The stock’s 52-week high and low are $239.37 and $85.68, respectively.
CrowdStrike CEO George Kurtz argued that the cybersecurity industry should focus on making advancing AI safer rather than slowing its development. His comments drew attention from CNBC’s Jim Cramer, who called CrowdStrike a “MUST BUY.”
Bank of America Corp. (NYSE:BAC)
Bank of America shares fell 5.12% to $59.47, with an intraday high of $62.44 and a low of $58.92. The stock’s 52-week high and low stand at $65.22 and $46.12.
The decline followed CEO Brian Moynihan’s cautionary guidance on third-quarter trading performance and dealmaking fees, which fell short of Wall Street expectations.
Microsoft Corp. (NASDAQ:MSFT)
Microsoft’s stock rose 1.97% to $505.41, with a high of $509.95 and a low of $495.34. Its 52-week range is $553.72 to $349.20.
The tech giant’s shares gained momentum as its new AI safety framework received positive feedback from Wall Street, boosting cybersecurity stocks like CrowdStrike and Palo Alto Networks.
Zscaler Inc. (NASDAQ:ZS)
Zscaler shares jumped 16.52% to $191.73, hitting an intraday high of $194.12 and a low of $170.06. The stock’s 52-week high and low are $336.99 and $114.63.
The company’s shares shot up amid a rotation into cybersecurity names. There was no company-specific narrative that led to the boost. According to numbers released earlier in September, Zscaler’s fourth-quarter fiscal 2026 revenue rose 25% year over year to $898.2 million, while total ARR reached $3.77 billion. AI-focused security bookings surged more than 50% sequentially, while the Z-Flex program generated $770 million in quarterly contract value, supporting fiscal 2027 revenue guidance of $3.91 billion-$3.94 billion.
Corning Inc. (NYSE:GLW)
Corning’s stock dropped 13.70% to $143.60, with a high of $154.25 and a low of $142.77. Its 52-week range is $271.78 to $76.15. In the after-hours session, the stock rose 1.1% to $145.19.
The stock’s decline in regular trading was attributed to investor worries over potential share dilution from a $2 billion equity distribution agreement with Goldman Sachs.
Benzinga Edge Stock Rankings indicate CrowdStrike stock has a Momentum score in the 96th percentile and a Growth score in the 97th percentile.

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Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.
Photo: FON’s Fasai / Shutterstock
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