President Trump said Japan and South Korea, two of America’s closest allies, would face tariffs of 25 percent unless the countries reach some kind of trade agreement with the United States. Other countries received notice of higher levies.

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. Companies are counting the cost of the trade war that is now being estimated at more than $34 billion in lost sales and higher expenses,