SpaceX stock falls as Starship's test flight slips to Sept. 28, retail investors sell shares
SpaceX (SPCX) shares fell 2% on Friday after delaying Starship's orbital test flight to Sept. 28. The mission aims to deploy Starlink satellites. Retail investors sold $250M in shares, while Baron Capital's Ron Baron remains bullish, estimating Starlink's revenue at $18B today and potentially $1T in 10 years. Musk hinted at a possible merger with Tesla (TSLA).
How this was made
The 30-second read
Why it matters
A six-day postponement to Sept. 28, plus a note that no Mechazilla catch is planned, shifts near-term expectations and coincides with reported retail selling.
Market read
Traders get a concrete schedule change for the first orbital Starship flight and a same-day sentiment read-through from retail selling.
What to watch
The article cites bullish commentary from a major backer and does not quantify probability-of-success or any technical issues behind the slip, so the market may be overreacting to schedule risk alone.
Background
The piece frames SpaceX as a newly public name whose Starship first orbital flight is a key catalyst for Starlink economics and broader lunar and Mars ambitions.
Ticker impact
SpaceX shares fell over 2% after the Starship first orbital test flight was pushed to Sept. 28 from Sept. 22.
Choppy-to-lower near term, with volatility likely increasing into the Sept. 28 launch window.
The article links the same-day pullback directly to the six-day slip of the first orbital flight and notes retail selling, which can amplify downside until the next confirmed milestone.
Market effects
Could spill over to sentiment for commercial space and satellite launch-adjacent themes, but the article is primarily single-name.
Limited, mostly US retail/sentiment-driven impact.
Low, as the catalyst is company-specific and not a broad macro or regulatory event.
Counterpoint
The delay may reduce execution risk, and the mission still targets orbital insertion, multiple orbits, and Starlink V3 deployment, which can keep longer-term bulls intact.
Key entities
- companySpaceX
Subject of the article; shares drop after Starship first orbital test flight is delayed to Sept. 28.
- programStarship
Vehicle whose first orbital flight schedule is pushed back, affecting the timeline for Starlink V3 satellite deployment.
- investorRon Baron
Large backer quoted as remaining bullish on SpaceX’s satellite revenue and valuation potential.
- institutionJPMorgan
Quoted via Barron’s for retail selling estimates over the past three weeks.




