1 Reason Nuscale Power and Oklo Investors Should Be Extremely Nervous in 2026

Small modular reactor (SMR) stocks have soared in value in recent years. Since the start of 2024, for example, NuScale Power (NYSE: SMR) has surged in value by more than 400%. Competitor Oklo Inc (NYSE: OKLO) has seen its stock price rise by nearly 600% over the same time period. At one point in 2025, however, both stocks were up more than 1,000% since the start of 2024. Why the big pullback? The viability of each company's nuclear technology still seems like a reasonable bet to me over the long term. But ...