Why NuScale Power Stock Fell 29% in the First Half of 2026

NuScale Power's stock fell 29.2% in the first half of 2026, as investors reacted to project delays, significant financial obligations, and the exit of its largest shareholder, Fluor. The nuclear energy startup, which has U.S. regulatory approval for its small modular reactor design, faces scrutiny over its partnership with ENTRA1 Energy and has yet to build a reactor.