Sam Altman-backed nuclear power company Oklo (OKLO) has boomed on the stock market over the past month as investors look to nuclear energy as the next big AI trade. Shares in the company, which is designing so-called small modular nuclear reactors (SMRs), have surged nearly 140% over the past month on Big Tech’s growing interest in nuclear power. SMRs are designed to produce cheaper, faster, greener energy than traditional nuclear facilities.