Terrestrial Energy is trading at $4.08, down 5.23%, alongside a weak broader market.

  • The S&P 500, Nasdaq and Dow are each down more than 0.5%.
  • Rising oil prices, climbing Treasury yields and renewed U.S.–Iran tensions are weighing on sentiment.
  • No company-specific announcement was identified for September 28; the latest cited update was an investor-conference notice on September 24. The September 21 Army project announcement is earlier context, not a clear explanation for this decline.