Tenable Holdings Inc

Tenable's convertible refinancing cuts interest costs but raises dilution concerns. Shares fell 2.2% as investors weigh the trade-offs.

N-able (NABL) shares jumped 9% after increasing its share repurchase authorization to $95 million, equal to 11.7% of its market value.

CrowdStrike's 4-for-1 stock split lowers the cost of a 100-share lot to about $19,319, while the company's market cap stays near $199 billion.