NuScale Power (SMR) stock slips in premarket as SMR doubts weigh on nuclear names
NEW YORK, December 30, 2025, 04:49 ET — Premarket NuScale Power shares fell 2.4% to $14.48 in premarket trading on Tuesday, after ending the prior session at about $14.84. The move matters because “advanced nuclear” stocks have become a high-beta pocket of the market into year-end, swinging sharply on sentiment rather than earnings power. For investors, the debate has shifted from “who wins the SMR race” to “who can fund it without punishing shareholders.” Small modular reactors, or SMRs, are smaller nuclear units designed to be built largely in factories and deployed in modules. Backers pitch faster construction and easier