Copper prices have been on a stellar run, boosted by President Donald Trump’s proposed tariffs. But Wall Street sees headwinds for the metal, with two miners catching downgrades.Shares of Freeport-McMoRan and Southern Copper fell Tuesday after Morgan Stanley analyst Carlos De Alba cut his ratings for the stocks.

U.S. copper prices surged to records last week ahead of the 50% tariff that President Trump has promised to impose on imports Aug. 1. Traders and analysts expect copper prices in the U.S. t

LIMA (Reuters) -Miners in Peru who have been allowed to operate with temporary permits have paused protests that blocked a major copper transit route for more than two weeks, one of the protest leaders, Luis Huaman, told Reuters on Tuesday.

Dealers aren’t sure they’ll be able to get it into the country ahead of the threatened Aug. 1 deadline.

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.

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

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.

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 is needed for many items we use every day, from wiring and plumbing in our homes to appliances and electronics.