The twists and turns in U.S. President Donald Trump's tariff policies have not only rattled global financial markets but have also taken investors on a roller-coaster ride.

Donald Trump’s combative trade policies have tipped the world economy into a downturn, with the US among the hardest hit, the OECD said.

Economic growth will slow this year and next as the trade war hampers development in the United States and around the world, the Organization for Economic Cooperation and Development said.

(Reuters) -Discount store operator Dollar Tree forecast its second-quarter adjusted profit to be down as much as 50% from a year ago, accounting for cost pressures due to tariffs and the pending Family Dollar sale.

Discount retailer Dollar Tree said the impact of tariffs will result in lower than expected profit for the second quarter, which ends Aug. 3.

Dollar Tree (DLTR) stock is gapping lower today, brushing off upbeat first-quarter results due to its lackluster forecast

As Trump's tariff deadline nears, the U.S. is seeking trade proposals from global partners, including the EU and Japan, focused on industrial and agricultural products.

The Trump administration on Monday asked a U.S. appeals court to pause a second court ruling that found the president had exceeded his authority by imposing sweeping tariffs on imports, saying the decision jeopardizes trade negotiations with other nations.

President Donald Trump is using his love of tariffs to threaten high-profile American companies. Over the past month, Trump has said he’d like to target two specific and very different companies — Apple and Mattel — with tariffs aimed at their key products over comments by their CEOs.