Tenable (TENB) Moves 16.5% Higher: Will This Strength Last?

Tenable (TENB) stock jumped 16.5% to $35.08 following strong second-quarter 2026 results, with Tenable One representing 50% of new business and net dollar expansion reaching 106%. The company expects Q2 EPS of $0.51 (+21.4% YoY) and revenues of $271.73 million (+7.6% YoY). However, earnings estimate revisions have been marginally lower over the past 30 days, which could limit further upside. The stock carries a Zacks Rank #3 (Hold). Peer Rapid7 also gained 24.1% but faces declining earnings expectations.