www.cnbc.com He said at the Berkshire Hathaway Annual Shareholder meeting Saturday that it’s not a productive asset and it doesn’t produce anything tangible. He said at the Berkshire Hathaway Annual Shareholder meeting Saturday that (=彼[W…

“For most people, mining rigs are hard to find. Once you’ve managed to track them down, they’re expensive and delivery can be unpredictable,”www.cnbc.com “For most people, mining rigs are hard to find. Once you’ve managed to track them dow…