SpaceX Shares Slide After Starship Test Flight Aborted Due to Engine Failure

Bearish (-0.7)Impact: High

Published on July 17, 2026 (4 hours ago) · By Vibe Trader

SpaceX Shares Slide After Starship Test Flight Aborted Due to Engine Failure

SpaceX's stock experienced a notable decline in premarket trading on Friday following the abort of a Starship test flight the previous day, which was triggered by an engine ignition failure. The test, scheduled within a 90-minute window at 5:45 p.m. in Texas on Thursday, was automatically aborted when 'some of the engines didn't start,' according to SpaceX founder Elon Musk, who communicated the issue via a post on X. Musk further stated that propellant was being offloaded and that the next launch attempt is expected in a few days, with plans to remove and replace two Raptor engines and aim for another launch early next week [1].

The market reaction was immediate, with SpaceX shares falling 3.5% in premarket trading, following a drop of more than 3% in after-hours trading. This volatility comes amid heightened investor scrutiny after SpaceX's record-setting $85.7 billion IPO in June, which priced shares at $135 and marked the largest initial public offering ever. Since its debut, SpaceX's stock has experienced significant fluctuations, with investors closely monitoring the company's rocket testing progress [1].

This aborted launch was the first test flight of the Starship V3 since the IPO. The previous attempt in May ended unsuccessfully when the Starship upper stage was sent toward the Indian Ocean, and the Super Heavy booster failed to make a controlled landing in the Gulf of Mexico due to five of its 33 Raptor engines failing to reignite. Following that incident, the U.S. Federal Aviation Administration (FAA) ordered an investigation, but cleared SpaceX on Monday to continue its test trials [1].

The recent test flight abort and subsequent share price decline underscore the high stakes and volatility surrounding SpaceX's ambitious Starship program, especially in the wake of its historic IPO. Investors remain attentive to upcoming test flights and regulatory developments as the company works to resolve technical issues and maintain momentum in the public markets [1].

CONCLUSION

SpaceX's aborted Starship test flight led to a sharp decline in its share price, reflecting investor sensitivity following the company's record IPO. With another launch attempt planned for early next week and ongoing regulatory oversight, market participants are likely to remain focused on SpaceX's ability to execute its ambitious testing schedule.

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