On September 26, SentinelOne, Inc fell 5.03% in regular trading, trading at $22.785/share, with turnover of $1.26 billion. The decline came amid a broader cybersecurity sector pullback compounded by an analyst downgrade.

Bernstein recently downgraded SentinelOne, Inc from Outperform to Market Perform, while raising its price target to $25 from $21. The firm noted that despite strong AI-driven cybersecurity demand, sector-wide valuations have reached elevated levels. Bernstein simultaneously downgraded Palo Alto Networks and Okta, signaling caution across the group. On September 14, the cybersecurity sector had surged sharply after Anthropic and OpenAI CEOs warned of AI-related security risks, with SentinelOne, Inc rallying over 14% in a single session, creating near-term profit-taking pressure.

Within the Systems Software sector, peers also faced selling pressure on the day, with CrowdStrike Holdings down 1.47% and Palo Alto Networks down 2.93%, while Microsoft gained 3.59%.

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