New Delhi, Oct. 7 -- Shares of US. -listed minerals explorer Trilogy Metals kicked off Tuesday's trading session, October 07, with a phenomenal move, nearly tripling investors' wealth right after the opening bell, following reports of a stake purchase by the US. government.

Trilogy Metals shares opened at $7.23 each on NYSE, up from the previous close of $2.09, and extended the opening rally to hit the day's high of $7.98, marking an increase of 298%, its biggest single day jump since April 2012, according to the latest available data.

According to media reports, the White House late Monday announced a partnership with Trilogy Metals and approved road-building to connect the remote Alaskan district where it operates as part of a push to...