DeFi Development Corporation, formerly Janover, added 88,164 Solana (SOL) worth $11.5 million to its treasury, raising its total SOL holdings to $34.4 million. After being acquired by former Kraken executives, the company pivoted to crypto and plans to stake SOL for yield. Its stock (JNVR) jumped 12.83% following the announcement. Crypto treasury strategies are gaining popularity, helping boost stock performance.