Over the past two years, one company, more than any other, has come to personify the ups and downs of bitcoin.  Well, MicroStrategy is a software and analytics company. But ever since its CEO, Michael Saylor, started investing the company’s money in bitcoin, MicroStrategy has been viewed by investors as a proxy for crypto.  That’s not such a good thing these days, as bitcoin is trading far, far below its all-time highs. Michelle Martin discusses what this means for Saylor.