Tenable is trading 10.06% up at $37.05 after S&P Dow Jones Indices announced its addition to the S&P SmallCap 600.
- The change takes effect before trading opens on August 31, replacing Leggett & Platt.
- Index-tracking funds may need to buy shares ahead of inclusion.
- Broader software strength following strong Salesforce and Nvidia results is providing additional support.