The once-hot nuclear fission stock Oklo climbed 3.5% on Thursday. Meanwhile, Centrus Energy rose about 8.5% after news of the deal broke.

Oklo stock falls as investors weigh its Standard Nuclear fuel deal, short interest drop, insider selling and pre-revenue status.

The once-hot nuclear fission stock Oklo climbed 3.5% on Thursday. Meanwhile, Centrus Energy rose about 8.5% after news of the deal broke.