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Oklo Inc. (NYSE:OKLO) is one of the

20 Stocks Jim Cramer Wanted You To Sell & Immediately Get Out Of. Oklo Inc. (NYSE:OKLO) is a nuclear fission power plant designer. The surge in AI investment led to nuclear stocks gaining quite a bit, and this development didn’t escape Jim Cramer’s watchful radar either. Throughout 2025, the CNBC TV host cautioned against investing aggressively in such stocks. However, since he discussed Oklo Inc. (NYSE:OKLO)’s shares in April on Mad Money, they are up by 153%. Cramer’s preferred stock when it came to nuclear power was GE Vernova, with predictable delivery timelines of the firm’s plants driving his opinion. Between September 5th and September 19th, Oklo Inc. (NYSE:OKLO)’s stock jumped by a massive 94%. Among the major news items to hit the wires in September was a release by the firm that outlined that it would build a nuclear fuel recycling plant in the US. However, since their peak in October, Oklo Inc. (NYSE:OKLO)’s shares are down by 69%. Here is what Cramer said about the firm in April:

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‘‘Well, I’m a great believer in nuclear power, but that does not make me want to own any of the stocks that are involved in it right now, given the fact that it’s going to be so many years before we actually build it. So I’m gonna have to say [sell, sell, sell] Oklo.”

While we acknowledge the potential of OKLO as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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