Plug Power stock rose 4% last week versus a 3% decline for the S&P 500. It has been a tough year for Plug Power ( PLUG +4.19% ...

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 said it sees first-quarter adjusted earnings per share of between $1.15 and ...