BitMine Immersion Technologies is trading 4.38% higher at $27.90, alongside gains in Bitcoin and Ethereum. - Bitcoin is up 2.27% and Ethereum 1.56% since their prior closes; both gains are smaller than the stock’s. - A September 28 company announcement reported holdings of more than 6 million ETH. - Chairman Tom Lee spoke at Korea Blockchain Week on September 30; available reporting does not establish either event as a direct cause of the move.