We’ll just keep buying the top forever; every day is a good day to buy bitcoin,” the founder and chairman of MicroStrategy recently told CNBC. “I would have bought Manhat

MicroStrategy stock is trading way above the value of its huge bitcoin stash. That is just the latest example of market valuations that break "the law of one price", writes Heard on the Street's Jonathan Weil.

MicroStrategy shares have gained more than 400% since the start of the year thanks to investor optimism about the software company's strategy of buying bitcoin as the cryptocurrency repeatedly hits record highs.