🔥 BIG: Bitcoin miner MARA outlined plans to expand its AI and energy infrastructure business in its Q3 2026 shareholder letter, including a Texas site with up to 2 GW of potential power capacity. Its subsidiary Exaion secured a $79 million GPU-as-a-service contract, while MARA repaid $750 million in Bitcoin-backed debt following $BTC sales. The company also authorized a share buyback program of up to $500 million.