MicroStrategy (MSTR) , the world’s largest Bitcoin hoarder, is set to join the Nasdaq 100 index today. The move will offer the cryptocurrency more exposure in the tech-heavy market. The stock is often viewed as a Bitcoin proxy. The MSTR stock surged 11.6% on Dec. 20, though the stock posted a weekly loss of 14.4% due to less dovish Fed cues.Nasdaq 100 Gains Indirect Bitcoin ExposureThe $25.7 trillion index, composed of the top 100 tech and non-financial companies from the larger Nasdaq Composite index, now ...