The planned 50% tariff on copper imports may turn out to be the biggest own goal of U.S. President Donald Trump's ongoing trade war with the rest of the world.

President Donald Trump on Wednesday affirmed that the United States will levy a 50 percent tariff on copper imports starting Aug. 1, following through on an earlier statement that he would target a key metal used for semiconductors, lithium-ion batteries, renewable energy technology and more.

“The U.S. has been sucking in lots of copper that it didn’t really need from around the world,” Albert Mackenzie is a copper analyst at Benchmark Mineral Intelligence. President Trump had signaled that the tariffs were coming months ago, prompting many U.S. buyers to stockpile copper ahead of time.

U.S. President Donald Trump on Tuesday said he planned to announce a 50% tariff on copper imports later in the day, surprising a global industry whose output is critical to electric vehicles, military hardware,

President Donald Trump says he will put a 50% tariff on copper imports before noting the value of the versatile metal.

Copper Falls State Park campground was recently rated the third-best in the Midwest. Now, it's earned a top-10 honor nationwide.

United States President Donald Trump's proposed 50% tariff on copper imports would affect Mexican exports worth around US $1 billion per year.

U.S. President Donald Trump's announcement of a proposed 50% tariff on copper imports has raised concerns in Chile and Peru, which together account for nearly 40% of global copper production.

Goldman Sachs said on Wednesday that copper shipments into the United States are expected to accelerate in the coming weeks following U.S. President Donald Trump's announcement of a 50% tariff on imported copper.