Rocket Lab Stock Finds a Foothold as Neutron Engine Passes Critical Fire Test
Published on 07/14/2026 at 17:25 | Redaktion boerse-global.de
A successful engine test has snapped Rocket Lab’s longest losing streak in months, handing the stock a modest rebound after six straight sessions of declines. Shares rose roughly 1.5% on Tuesday to €68.60, recovering a sliver of the ground lost during a selloff that erased nearly $12 billion in market value within a single week. The trigger: a full-duration burn test of the Archimedes vacuum engine, the powerplant destined for the second stage of the company’s upcoming Neutron rocket.
Rocket Lab completed the test on Monday, describing it as “a thing of beauty” and a critical milestone toward Neutron’s first flight. The vacuum variant, designated AVac, produces about 1.2 times the thrust of the first-stage version and stands 2.5 meters taller thanks to an extended nozzle optimized for space. Neutron itself is a 43-meter medium-lift vehicle capable of delivering up to 13,000 kilograms to low Earth orbit, with a reusable first stage. The test follows a setback in January, when a first-stage fuel tank burst during a hydrostatic pressure test, prompting Rocket Lab to push the inaugural launch to late 2026.
Despite Tuesday’s gain, the stock remains deeply scarred. Over the past 30 days, it has shed 27% of its value, and at €68.60 it still sits 48.7% below the 52-week high of €133.80 set on May 27. The decline accelerated last week: the shares fell 5% on Monday alone, marking the sixth straight losing day before Tuesday’s bounce. The rout was notable for its persistence—cumulative losses over those five trading sessions reached 19.3%—and came while the S&P 500 was trading higher, suggesting company-specific pressures were at play.
Should investors sell immediately? Or is it worth buying Rocket Lab?
Those pressures extend beyond the Neutron timeline. Rocket Lab’s planned acquisition of satellite operator Iridium Communications and a share sale by CEO Peter Beck have added to investor jitters. Meanwhile, a development in China has rattled the space-sector narrative: the successful landing of a reusable first stage of the Long March 10B rocket on July 10, using a sea-based net-and-hook platform, marked the first recovery of an orbital-class rocket stage by a Chinese company. Investment bank Bernstein subsequently called China a “leading competitor” to SpaceX, chipping away at the assumption that reusable rocketry remains a purely American domain.
CEO Peter Beck remains focused on the Neutron schedule, aiming for a fourth-quarter 2026 debut. “We’re on plan, but at the end of the day it’s a rocket program,” he said in April. “If all we had to do was reach orbit, we’d have been there already.” The true challenge, he added, is proving Neutron can return and be reused. The company’s recent Victus-Haze mission for the U.S. Space Force demonstrated its operational agility: Rocket Lab launched within 16 hours and 42 minutes of tasking, activated a satellite in 38 hours, and executed rendezvous maneuvers in under 59 hours—all under a single contract covering launch vehicle, spacecraft, and orbital operations.
Commercial momentum is building even before Neutron flies. In May, Rocket Lab signed the largest launch contract in its history, an anonymous order for five Neutron and three dedicated Electron missions spread between 2026 and 2029. The company ended the first quarter with a backlog of $2.2 billion and more than $2 billion in available liquidity. The order book for Neutron is filling rapidly for a rocket that has yet to leave the ground.
Technically, the stock appears oversold. The relative-strength index stands at roughly 36, while the 30-day annualized volatility hovers near 99%—a reading that underscores how sensitive the shares are to both corporate headlines and industry sentiment. The next major catalyst is likely the second-quarter earnings report in August, with progress toward Neutron’s first flight remaining the dominant long-term driver. Analysts view the medium-lift rocket as the key to unlocking higher-margin contracts in commercial, military, and security markets. For now, Rocket Lab has at least stopped the bleeding.
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