Michael Saylor, chairman and CEO of MicroStrategy, speaks during the Bitcoin 2022 conference in Miami on April 7, 2022.Shares of MicroStrategy were higher Monday after Nasdaq announced the bitcoin proxy will join the tech-heavy Nasdaq-100 index.The stock last traded more than 5% higher in premarket trading.Nasdaq rebalances its Nasdaq-100 index every year. The companies flagged for inclusion are mostly based on the market cap rankings as of the final trading day of November. The stocks also need to meet liq ...