President Donald Trump said on Tuesday that the United States would initially place a "small tariff" on pharmaceutical imports before hiking it to 150% within 18 months and eventually to 250% in an effort to boost domestic production.

President Donald Trump provided new details about his plan to impose tariffs on foreign-made pharmaceuticals, but the White House says nothing is final.

"The key channel by which secondary tariffs on buyers of Russian energy could impact the global economy would be through the level of energy prices," says Kieran Tompkins from the consultancy Capital Economics. If the tariffs work, they will cut the flow of Russian oil and gas to global markets.

By Marcela Ayres and Bernardo Caram BRASILIA (Reuters) -Brazilian goods imported by the United States will soon carry one of the highest tariffs imposed by President Donald Trump, but that will not likely derail Latin America's largest economy,

U.S. President Donald Trump again threatened on Monday to raise tariffs on goods from India over its Russian oil purchases, while New Delhi called his attack "unjustified" and vowed to protect its economic interests,