On August 27, Fortinet rose 3.1% in regular trading, trading at $158.26/share, with turnover of $2.46 billion. The stock was supported by the company's recent acquisition of AI security firm Virtue AI and broad-based strength across the cybersecurity sector.

Fortinet announced the acquisition of Virtue AI to expand its AI security capabilities and further strengthen its AI-driven security operations platform. Financial terms were not disclosed, with the company noting the amount paid is immaterial to its business. The deal aligns with an industry-wide narrative shift in which cybersecurity is increasingly viewed as critical AI infrastructure rather than purely defensive spending.

Sector momentum provided additional tailwinds, with peer CrowdStrike rising 2.59% on the same session. Fortinet's fundamentals also remain robust following its Q2 earnings report, which significantly exceeded expectations with adjusted EPS of $0.90 versus the $0.75 consensus estimate and revenue of $2.048 billion. The company raised its full-year revenue guidance to $8.02 billion to $8.18 billion, representing approximately 19% year-over-year growth at the midpoint.

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