Plug Power is trading 4.5% down at $2.17 amid a broader risk-off session.
- The Nasdaq Composite is down 0.91% and the S&P 500 is down 0.41% as investors weigh potential Iran sanctions, tariff risks, elevated Treasury yields, and upcoming Nvidia earnings.
- Reuters reported weaker Nasdaq futures on August 24, 2026; no fresh company-specific announcement or analyst action clearly explains the decline.