SpaceX's recent initial public offering has had a mixed impact on the space stock sector, with some reports indicating it has negatively affected other space stocks, while others suggest certain smaller space stocks have posted strong gains. Some analysts are optimistic about the potential for space stocks to rise, with a few even suggesting specific stocks to buy. The performance of SpaceX's stock itself has been notable, with reports of it reaching new highs and joining the Nasdaq 100 index.