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Rocket Lab Stock Falls 10% After Neutron Launch Delay
Why is Rocket Lab stock down today?
Rocket Lab (RKLB) stock fell about 10% to $53.17 on Thursday after the company delayed its first Neutron rocket launch to 2027 because of a manufacturing defect in a fuel tank part.
Key numbers
| Thursday close | $53.17-10.15% |
|---|---|
| Wednesday move | $59.18-7.85% |
| Neutron first launch | 2027was Q4 2026 |
| Market value (per [4]) | $35.4Bafter the drop |
| Q2 revenue | $234M+62% YoY |
| Backlog / cash | $2.36B / $2.13Bbacklog +137% YoY |
What happened
Rocket Lab (RKLB) stock fell about 10% to $53.17 on Thursday after the company delayed its first Neutron rocket launch to 2027 because of a manufacturing defect in a fuel tank part. Engineers found tiny air pockets in a carbon-fiber dome that caps the rocket's first-stage fuel tank. The launch had been planned for the last three months of 2026. The shares had already dropped 7.85% on Wednesday, before the news came out after the market closed. Two Wall Street firms, KeyBanc and Clear Street, then lowered their price targets.
Why it matters
Rocket Lab is counting on Neutron, a bigger rocket, to win larger launch contracts and grow beyond its smaller Electron rocket. A later start pushes back the sales Neutron could bring, while the costs of building it keep running. This is not the first time the debut has slipped. The rest of the business is still growing, with sales up 62% in the spring quarter.
Who this affects
- MarketbearishMedium impact
- Space-stock investors face another reminder of launch timing risk.
- CompanybearishHigh impact
- Rocket Lab shareholders lose value; Neutron revenue arrives later.
- CompetitorsneutralLow impact
- Rivals such as SpaceX face no new Neutron competition until 2027.
- IndustrymixedLow impact
- Customers wanting more medium-size rocket options must wait longer.
Rocket Lab vs SpaceX, Intuitive Machines
How we got here
Rocket Lab posts record Q2 revenue and still targets Neutron at the launch pad in Q4 2026.
Shares fall 7.85% to $59.18; after the close Rocket Lab says Neutron's debut is now 2027.
Shares close down 10.15% at $53.17; KeyBanc and Clear Street cut price targets.
What to watch
- Rocket Lab's next earnings report, which may update Neutron timing and spending (per).2026-11-16
- A new Neutron launch date once the replacement tank dome is built and tested.2027
Educational content only. Not investment advice.
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