U.S. President Donald Trump's threat of a 50% tariff on copper imports is raising alarm in the U.S. auto sector, as it could make it even harder for carmakers and suppliers to absorb border taxes and rising costs,

President Trump is celebrating a new trade deal with Indonesia on Tuesday. It's one of the world's largest producers of copper. The president has threatened a 50% tariff on copper imports starting next month.

Explore the impact of tariffs on U.S. copper markets. Click for risks for Southern Copper Corporation in Peru, and why I suggest a long FCX/short SCCO strategy.

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

Copper is used in a wide variety of products from electronics, wiring, machinery and cars. The U.S. produces a majority of the copper it uses but still imports large quantities, primarily from

Copper futures rose dramatically following President Trump's plan for a 50% import tariff, pushing domestic prices to a 25% premium over global markets amid growing demand.

President Trump said Indonesia has completely caved on trade negotiations, eliminating all tariffs on U.S. goods and agreeing to pay the 19% on things they buy from America. PRESIDENT DONALD TRUMP We made a deal with Indonesia.

With copper prices breaking out last week, we looked at the S&P 500 performance during similar breakouts, historically