Shares of MARA Holdings, Riot Platforms, and CleanSpark rose following their May Bitcoin production updates. MARA Holdings mined 950 Bitcoin, a 35% increase from April, and held 49,179 Bitcoin by the end of May, with an energized hashrate of 58.3 EH/s. Riot Platforms reported mining 514 Bitcoin, an 11% month-over-month increase, holding 19,225 Bitcoin, and a hashrate of 35.4 EH/s. CleanSpark mined 694 Bitcoin, a 10% increase, holding 12,502 Bitcoin after selling 293.5 Bitcoin, with a hashrate of 45.6 EH/s. The companies' shares rose by 5.47%, 4.42%, and 4.70% respectively, reflecting positive market reactions to their production achievements.