Over the past several years, MicroStrategy Inc. (NASDAQ:MSTR) and its Chairman Michael Saylor have been buying hundreds of thousands of Bitcoins, and the investment has been extremely successful. In a Feb. 26 report, MicroStrategy disclosed its most recent purchase of Bitcoin. Between Feb. 15 and 25, it bought an additional 3,000 Bitcoin for $155.4 million. On the day of the disclosure, MicroStrategy shares were up 15.86%, marking one of the best one-day performances in the company's history. Do