TradingKey – On Tuesday, Eastern Time (June 16), SpaceX (SPCX) rose for the third consecutive trading day, with its market capitalization surpassing Amazon (AMZN) , becoming the world’s fifth-largest stock; it rose up to 17% intraday, with its market capitalization surpassing Microsoft (MSFT) , becoming the fourth-largest U.S. company. Since its listing, the stock has gained a cumulative 49%, demonstrating investor enthusiasm for the stock.

Analysis indicates that retail investor enthusiasm is the primary driver of this rally. According to data from Vanda Research, retail buying of SpaceX during its first two trading days even exceeded last week’s total retail inflows into the entire U.S. stock market. Vanda pointed out in its report…