Copper prices dropped nearly 20% to $4.60 after President Donald Trump signed a proclamation on Wednesday afternoon that imposes 50% tariffs on imports of some forms of the metal. The duties will exclude copper input materials and copper scrap.

In rolling out the most aggressive tariff regime in the US in nearly a century, President Donald Trump has leaned heavily on emergency powers that had never been used before to impose import taxes.

US President Donald Trump just dealt another blow to the embattled ecommerce industry, which is still reeling from sweeping tariffs Trump announced in the spring. On Wednesday, Trump signed an executive order widening the impact of those tariffs and making it more expensive for Americans to buy foreign products on sites like eBay,

The US reached a trade agreement with South Korea that will impose a 15% tariff on imports, including autos, and sets up major investment in American energy and shipbuilding.

The United States has agreed a trade deal with South Korea that will subject South Korean imports to a 15% tariff rate, President Donald Trump said on Wednesday. South Korea will also invest $350 billion in the United States and purchase $100 billion in U.

President Trump said he reached a trade deal with South Korea that would impose a 15 percent tariff on its exports to the United States. He also announced that the United States will impose a 25 percent tariff on goods from India.