@profgmarkets: Who Decides What SpaceX Is Worth? SpaceX officially joined the Nasdaq 100 last week. It qualified under new fast-track listing rules, which reduced the required trading history from at least three months to just 15 days and eliminated the minimum public float requirement. Prior to the rule change Nasdaq 100 stocks had to have a minimum float of 10%. The stock also received a torrent of new ratings from Wall Street analysts. Of the 32 analysts covering SpaceX, only one published a “sell” rating