It's been nearly two months since Elon Musk's Space Exploration Technologies Corp. (NASDAQ: SPCX), commonly known as SpaceX, went public. Shares of SpaceX stock are down more than 51% from their highs. Continue »Here's why SpaceX, despite being down 51%, managed to outperform recent nuclear IPO X-Energy (NASDAQ: XE) (down almost 55%) and is only doing a bit worse than Standard Nuclear (NYSE: STDN) (down 45.5%). Times are tough all overSpaceX is outperforming most of the small modular reactor (SMR) nuclear industry. The more recent nuclear IPOs have fared much better, with X-Energy down "only" 54.7% and Standard Nuclear down "just" 45.3%.