Short-selling investment firm Kerrisdale Capital has MicroStrategy Inc (NASDAQ:MSTR) in its crosshairs. The short seller released a bearish report on the stock Thursday and announced a short position as part of a pair trade. What To Know: MicroStrategy serves as a proxy for Bitcoin (CRYPTO: BTC). The recent boom in crypto markets helped spark a more than 200% rally in MicroStrategy stock since the start of the year. Kerrisdale Capital believes the move higher is overdone. “We are long bitcoin and short shares of MicroStrategy, a proxy for bitcoin which trades at an unjustifiable premium to the…