Rocket Lab stock tumbles as effort to take market share from SpaceX slips to 2027 — Live Feedhttps://www.live-feeds.com/feed/rocket-lab-stock-tumbles-as-effort-to-take-market-share-from-spacex-slips-to-2027Continuously updated, source-cited coverage. Rocket Lab shares drop as Neutron rocket debut slips to 2027https://www.live-feeds.com/feed/rocket-lab-stock-tumbles-as-effort-to-take-market-share-from-spacex-slips-to-2027https://www.live-feeds.com/feed/rocket-lab-stock-tumbles-as-effort-to-take-market-share-from-spacex-slips-to-2027#u133379Sun, 18 Oct 2026 21:35:31 +0000Rocket Lab stock fell between 10% and 14% on Thursday after the company pushed the first launch of its Neutron reusable medium-lift rocket to 2027. The delay follows the discovery of a manufacturing flaw and problems with carbon composites. While the company's core launch business continues to grow quickly, investors are now questioning if the firm's cash reserves can sustain the extended development timeline for its most ambitious program.Why it mattersNeutron is designed to compete for market share against SpaceX by providing a reusable medium-lift option. This project represents a