The nuclear and uranium trade is unraveling for a second straight week. Oklo (NYSE:OKLO | OKLO Price Prediction) is down 5% in Tuesday trading, Uranium Energy (NYSE:UEC) is off 9%, and Energy Fuels (NYSE:UUUU) is sliding 6%. The complex is in full retreat.
Today’s moves cap a brutal stretch. Oklo stock heading into the session was down 25% over the past week, Uranium Energy stock was down 20%, and Energy Fuels stock had shed 21%. The one-day headline is real, but the bigger story is a week-long unwind in one of the hottest themes on Wall Street.
The damage on Oklo stock is enough to flip it negative for the year. Shares are now down 22% year to date (YTD), erasing what had been a standout run tied to the artificial intelligence data center power thesis.
The Multi-Year Thesis Isn’t Broken
Step back, and the longer-frame picture still favors the bulls. Oklo stock is up 41% over the past year and 459% over five years. Uranium Energy stock is up 133% in the past 12 months, and Energy Fuels stock has gained 279% over the same stretch.
This looks like a hot trade unwinding rather than a thesis breaking. Nuclear and uranium names rode AI power demand, U.S. energy security policy, the ADVANCE Act, and uranium’s addition to the USGS Critical Minerals List into vertical price action. When a trade goes vertical, the air pocket on the way down tends to be just as fast.
Why the Pullback Now
No single confirmed catalyst is driving the coordinated decline. The likely mix includes profit-taking after the group went parabolic, sector rotation out of speculative AI-adjacent themes, uranium spot price volatility, and a fresh reassessment of how quickly small modular reactor (SMR) projects can actually deliver megawatts to hyperscalers.
The fundamentals at the developmental names amplify that re-rating. Oklo remains pre-revenue, with first commercial power targeted for late 2027 to early 2028 at Idaho National Laboratory. In its last reported quarter, Oklo posted a net loss of $73.6 million against $275.3 million in cash, and the cash burn clock is a real variable when momentum cools.
WTI crude oil is sitting near $104 per barrel, so the broader commodity tape is steady. The pressure looks specific to the uranium and nuclear equity complex.
Bull Case vs. Bear Case
The bull case for the group is that AI power demand is structural, hyperscaler partnerships are accelerating, and government support for nuclear power is bipartisan. Uranium Energy ended its most recent quarter with $486 million in cash and $818 million in total liquid assets with no debt, giving producers the balance sheet to ride out volatility.
The bear case: developmental names face years of cash burn before commercial operations, regulatory timelines are long, and valuations remain stretched even after this pullback. Reddit discussion threads have noted the speculative profile, with one r/investing post flagging that “Neither company has a working prototype, a concrete concept, or anything to prove their tech is a viable solution yet” while valuations sat at premium levels.
What to Watch
Keep an eye on uranium spot price action, any hyperscaler nuclear power purchase agreement headlines, Nuclear Regulatory Commission milestones, and the next round of quarterly cash burn updates from Oklo. A stabilization in uranium spot would do more for sentiment than any single analyst note.
Also watch policy catalysts that could reignite the bid: the Section 232 Critical Minerals Investigation status report due July 2026, TCEQ approval on Uranium Energy’s Burke Hollow project, and any fresh hyperscaler-to-SMR offtake announcements. These remain the structural pillars beneath the trade, even with momentum cooling.
The takeaway: this looks more like a momentum unwind than a thesis break, but the air pocket can run further before it finds a floor. Prudent investors may want to size their positions modestly, keep dry powder, and let the group prove it can stabilize before adding aggressively.