Rocket Lab USA (NASDAQ: RKLB) has seen its stock surge in 2025 on optimism around its expanding launch services and space systems business. Shares trade in the mid-$30s, giving Rocket Lab a market capitalization near $18 billion and a lofty trailing price-to-sales (P/S) ratio around 39. This valuation reflects strong revenue growth and confidence in upcoming catalysts like the Neutron medium-lift rocket. The company is executing well: it achieved record launch cadence with Electron rockets, expanded its $1+ billion backlog, and secured notable government and commercial contracts.
However, Rocket Lab remains unprofitable, with significant R&D investment