Both Plug Power and Oklo Inc. could grow significantly over the longer term.

Has Plug Power's business reached a crucial turning point?

Plug Power is flat since the beginning of the year, and at $2.24 per share, it is trading 45.9% below its 52-week high of $4.13 from October 2025. Investors who bought $1,000 worth of Plug Power’s ...

Check out the companies making headlines in after-hours trading. MongoDB — Shares plunged 23% in extended trading. MongoDB ...

Plug Power stock jumps 8.3% after Q4 earnings beat expectations with narrower losses, positive gross margins, and $188M in ...

Plug Power beat on earnings Monday, sending its stock flying 23%. On Wednesday, the momentum kept moving, and Plug went 11% higher after Wells Fargo raised its price target. Plug reported Q4 earnings ...