NuScale Power Stock Surges on Sector-Wide Momentum for SMRs

Shares of NuScale Power (SMR) surged on Tuesday, significantly outperforming a declining broader market as investors renewed their focus on the small modular reactor (SMR) sector. The rally appeared driven by sector-wide momentum rather than any company-specific news.

Defying a Down Market

NuScale Power's stock jumped by approximately 11% in morning trading on September 8, reaching an intraday high of $10.77 per share. According to Investing.com, the move came without any apparent catalyst, such as a corporate press release or a change in analyst ratings.

This gain stood in sharp contrast to the broader U.S. equity market. During the session, the S&P 500 fell by 0.3%, the Nasdaq Composite slipped 0.3%, and the Dow Jones Industrial Average declined by 0.9%, underscoring the specific investor interest in the nuclear energy space.

SMR Sector Sees Renewed Interest

The rally is part of a recurring theme in 2026, where SMR developers have attracted significant investor attention. This enthusiasm is underpinned by powerful long-term demand drivers, including the massive projected energy consumption from AI data centers and broad bipartisan political support for advanced nuclear technologies.

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Other companies in the sector, such as Oklo (OKLO) and Nano Nuclear Energy (NNE), have also experienced strong rallies this year. Market sentiment for next-generation nuclear power has remained constructive, fueled by industry milestones and a growing pipeline of potential power agreements with the technology sector.

A Catch-Up Trade with Strong Fundamentals

Some market observers view NuScale's performance as a potential "catch-up" trade. The company's stock had touched a 52-week low of $7.21 in July 2026, leaving it at a more discounted valuation compared to its peers entering the session.

Despite being in a pre-revenue stage, NuScale maintains a robust financial position. As of the end of the second quarter of 2026, the company reported approximately $1.89 billion in cash and investments with zero debt. Critically, NuScale holds a key competitive advantage as the first and only company to have its SMR design certified by the U.S. Nuclear Regulatory Commission (NRC).