Oklo Inc. Class A common stock (OKLO)

Unlike their mega-cap counterparts, which tend to grind, mid-caps can soar or crash within days, driven by headlines and pure speculation.

Cathie Wood has been dumping her position in a popular nuclear energy stock.

NuScale and Oklo are both speculative stocks which might be worth nibbling on.

Top mid-cap stock performers last week: Kingsoft Cloud up 34.77%, Oklo Inc. up 33.36%, AST SpaceMobile up 30.98%, VNET Group up 29.12%, Teladoc Health up 27.46%, GDS Holdings up 25.68%, Magnite up 23.08%, SolarWinds up 23.05%, Lions Gate Entertainment up 22.68%, IREN Limited up 22.02%.

January saw Trump kick off things with a bang. The White House has issued 44 executive orders so far, with the economic and financial implications still being examined. So, what can we monitor on the economic front?

President Trump recently announced a $500 billion AI infrastructure project called Stargate.

Oklo's strategic agreement with Lightbridge on nuclear fuel strengthens its position in the rapidly growing clean energy market for the future.

Co-location will help the two companies reduce their capital expenditure and operating costs, said Seth Grae, President and CEO of Lightbridge, who called this collaboration an “important strategic step in shaping the future of clean energy.”

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Oklo shares are trading higher in Monday's after-hours session as the stock bounces back from a wide-ranging market selloff that hit AI-related names the hardest.

Analysts at BMO Capital highlighted in its latest note that DeepSeek’s AI model could require between 50% to 75% less power than other large language models using Nvidia’s latest graphics processing units (GPU).

This little microreactor company still has a lot to prove.

Shares of nuclear energy companies, including Nano Nuclear Energy Inc. (NASDAQNNE), Oklo Inc. NYSE: OKLONYSEOKLO)(NYSE: SMRNYSESMR are trading lower Monday following the emergence of China's DeepSeek AI model, which has triggered uncertainty across multiple sectors.

Top performers in last week's mid-cap stocks: Oklo Inc., Tempus AI, Himax Tech, Super Group, NuScale Power, WNS Holdings, Guardant Health, Rigetti Computing.

Oklo, based in Santa Clara, California, develops small modular reactors (SMR). Its product roadmap includes a 15-megawatt, a 50-megawatt, and a 100-megawatt nuclear reactor.

Wedbush Securities on Friday raised its price target on energy company Oklo Inc to $45 from $26 while maintaining an "outperform" rating.

Lightbridge Corporation (NASDAQLTBR) shares are trading higher Thursday after the company announced a collaboration agreement with Oklo Inc. NYSE:OKLONYSEOKLO)

Cathie Wood-led Ark Invest made significant trades involving ACCD, DE, NTLA, PATH, CCJ, OKLO, ILMN, ESLT, and ABSI.

Oklo's latest deal with RPower aligns with the U.S. government's recent push for AI-focused energy infrastructure and clean energy solutions.

Oklo has teamed up with RPower to launch a phased energy model for data centers. This collaboration combines immediate power solutions with a future shift to clean energy using Oklo's Aurora reactors.

Nuclear energy companies could trend in 2025 thanks to surging demand from AI data centers; these three firms are worth watching.