Trump's order seeks to ease regulations to compel more U.S. drug manufacturing. He also plans to assess tariffs on drug imports.

The president is planning Monday to revive a plan from his first term, which would peg the prices the United States pays for drugs to the amounts paid in other countries, which tend to be lower.

Shares of pharmaceutical companies fell across the world after US President Donald Trump said he planned to order a cut in US prescription drug costs to bring them in line with other countries, prompting concern that profits will take a hit.