Plug Power Stock (PLUG) in December 2025: NASA Contract, Fresh Cash and a High‑Risk Outlook for Investors
Plug Power shares traded around $2.19 on December 10, 2025, with over 27 million shares changing hands and a market cap above $3 billion. The stock has swung between $0.69 and $4.58 in the past year and is down about 90% over five years. Plug recently began a $2.8 million liquid hydrogen contract with NASA and signed a letter of intent for a 5 MW electrolyzer project in France.