Michael Saylor's MicroStrategy Has Quintupled This Year. Now, a Formerly Bullish Analyst Thinks Its Time to Short the Stock.

Michael Saylor's company MicroStrategy (MSTR -1.85%) has arguably been the best-performing stock in the market this year, even outperforming many of the artificial intelligence darlings that have fueled the bull market. MicroStrategy is up roughly 518% this year. Stocks that grow like a weed tend to attract short sellers who are constantly on the hunt for overvalued stocks, and today's market likely has many candidates worthy of attention. Now, a formerly bullish analyst thinks MicroStrategy's stock is way ...