Shares in Solana treasury firm DeFi Development Corp. (DFDV) jumped as high as 6% before retracing amid news the firm increased its share repurchase program from $1 million to $100 million.  DFDV is now changing hands at $15.73, up nearly 4% on the day. It’s now up more than 2,100% year-to-date, but down 12% in the last week of trading.  “Ultimately, buybacks are a tool to grow Solana-per-share (SPS) long-term, so we will be regularly evaluating the usage of buybacks against our other opportunities to grow ...