Tesla shares plunged 18% during the week to close at $313.03 on Friday, their worst weekly slump since 2022. And SpaceX's stock continued its downward slide, dropping 7.2% over five days to close at $115.07 Friday, its lowest since the company's record initial public offering last month.

SpaceX's Starship Flight 13 successfully splashed down in the Indian Ocean after a smooth test flight, marking the first water landing for the world's largest rocket. Elon Musk celebrated the historic achievement online.