US Stock Market: SpaceX shares gain as first lockup expiry more than doubles tradable float

SpaceX shares rose over 6% on Thursday in heavy trading, with more than $23 billion worth of shares changing hands — likely the busiest session since the company joined the Nasdaq 100 on July 7. The rally came despite the first of several scheduled lockup expiries, which more than doubled the number of publicly tradable shares by unlocking about 911.5 million additional shares (on top of the roughly 639 million already in the public float).