BitMine Immersion Technologies (BMNR), the largest corporate holder of the second largest cryptocurrency, ether (ETH), made its largest ETH purchase of the year last week following a key shareholder vote that gave the company fresh room to raise capital. The firm said Monday it added 40,302 ETH — worth almost $117 million at current prices — to its treasury, bringing its holdings to over 4.24 million tokens, or 3.52$12.8 billion, includi ...