Bitcoin miners MARA and CleanSpark post double-digit revenue drops

Bitcoin mining firms MARA and CleanSpark both reported double-digit revenue declines alongside steep net losses. MARA's net loss widened to $611.3 million, or $1.60 per diluted share, while CleanSpark posted a $239.8 million loss, or $0.89 per basic share. Both companies are pivoting toward AI infrastructure as Bitcoin mining profitability declines.