Trilogy Metals shares skyrocket 200% in premarket after U.S. takes stake in minerals explorer

US President Donald Trump, left, and Doug Burgum, US secretary of the interior, in the Oval Office of the White House in Washington, DC, US, on Monday, Oct. 6, 2025.Shares of U.S.-listed minerals explorer Trilogy Metals jumped more than 200% in premarket trade on Tuesday, shortly after the White House said it would take a 10% stake in the Canadian company. The stock traded 204.8% higher in premarket deals at 9:22 a.m. London time (4:22 a.m. ET).This is a developing story. Please check back for updates. ...