Northern Dynasty Minerals is trading 10.63% down at CA$1.43, with no clearly reported company-specific announcement dated October 13, 2026, identified to explain the drop. - The company’s release archive lists no October news releases. - The Pebble Project court challenge to the EPA veto remains unresolved; it is ongoing background, not a confirmed session catalyst. - Copper and aluminum retreated amid broader risk concerns, but coverage does not link them to the decline; major U.S. indices were nearly flat.