Leading cryptocurrency mining specialists saw skyrocketing stock returns in February 2024. According to data from S&P Global Market Intelligence, Riot Platforms (RIOT -1.24%) posted a 29.5% gain while Marathon Digital Holdings (MARA -3.62%) rose by 46.1%. CleanSpark (CLSK 7.51%) led the charge with a 107.7% jump.All three rode the coattails of Bitcoin (BTC 1.34%), the largest and oldest cryptocurrency on the market and the actual digital asset Marathon, CleanSpark, and Riot are generating in their daily ope ...