The Aug. 1 deadline for Trump's 50% copper tariffs signals the endgame for the most profitable trade that industry veterans say they have ever seen.

Manufacturers and construction companies — as well as consumers — would face higher prices if the U.S. jacks up tariffs on copper, analysts said.

The fire marshal is investigating the cause of an early-morning fire at a copper plant in Leetsdale. Firefighters were called to Hussey Copper, located just off Route 65 along Washington Street, around 5:30 a.m.

President Trump wants America to produce more of the much-needed mineral, but a 50 percent tariff could undermine his aim of a manufacturing renaissance.

The metal is used in manufacturing everything from automobiles to mobile phones.

Fifteen months since a devastating fire destroyed more than half the building, and ten months since the start of a multi-stage reconstruction effort, skilled workers are laying a new copper roof on parts of Copenhagen 's Old Stock Exchange building.

Freeport-McMoRan could see a $1.6-billion boost to annual profit if President Donald Trump's copper tariff materializes, a benefit driven by the firm's role as the largest U.S. producer with more expansion options than rivals.

Copper prices—and mining stocks—rose after President Trump confirmed a 50% tariff on the metal will take effect Aug. 1. Prices for the metal hit record highs earli