Musk's bad week: Tesla suffers worst slump since 2022, SpaceX drops ahead of Starship test flight

SpaceX founder Elon Musk addresses members of the media during a press conference announcing new developments of the Crew Dragon reusable spacecraft, at SpaceX headquarters in Hawthorne, California, Oct. 10, 2019.Philip Pacheco | Afp | Getty ImagesIt was a rough week for Elon Musk.Tesla shares plunged 18% during the week to close at $313.03 on Friday, their worst weekly slump since 2022. And SpaceX continued its downward slide, dropping 7.2% over five days to close at $115.07 Friday, its lowest since the company's record IPO last month.The declines in both stocks wiped away about $130 billion of Musk's wealth, weeks after he'd become the world's first trillionaire. In a post on X on Friday, Musk wrote, "(Former) trillionaire."Tesla's slump was spurred by weaker-than-expected earnings when the electric vehicle maker reported second-quarter results late Wednesday. The company turned cash flow negative due to a surge in spending on futuristic projects like robotaxis, humanoid robots and a giant chip fab. "We expect this to pressure free cash flow and delay earnings growth, without providing any near-term shareholder return," wrote analysts at Argus Research, which has a hold rating on...