Bitcoin mining firm CleanSpark (NASDAQ:CLSK) has plunged 8.35% pre-market after reporting November bitcoin production of 218 vs. 216 mined in Oct'21. YTD, the company mined 1,301 bitcoin. Total BTC holdings as of November 30 were 838; while total BTC converted for operational growth in 2021 stood at 478. CleanSpark deployed ~12,900 latest-generation bitcoin miners with a total hashrate of 1.3 EH/s. Last month, CleanSpark updated its brand identity to unify business segments