MicroStrategy, which was the first publicly traded company to invest in bitcoin and, as of Dec. 4, held 40,824 BTC, is raising up to $400M in debt to buy more (Kristine Owram/Bloomberg)

Kristine Owram / Bloomberg:

MicroStrategy, which was the first publicly traded company to invest in bitcoin and, as of Dec. 4, held 40,824 BTC, is raising up to $400M in debt to buy more  —  MicroStrategy Inc. is doubling down on its Bitcoin bet, saying Monday that it plans to offer $400 million of convertible bonds in order to buy more of the cryptocurrency.