DFDV ▲ +8.9% - DeFi Development Corp. $DFDV - DFDV Grows SOL Treasury 4% in One Week as Accumulation Accelerates DFDV rose 8.9% today following news that the company increased its Solana (SOL) treasury by 4% over the past week, signaling accelerated accumulation of the cryptocurrency. The treasury growth appears to have bolstered investor confidence in the company's asset-building strategy. 21-SEP-2026 08:43 AM ET