The dollar was flat on Wednesday as growing concerns about the escalating trade dispute between China and the United States prompted investors to raise their expectations of a U.S. rate cut later in the year.

Unlike previous episodes of trade tensions when the dollar benefited from an increase in trade tensions between the world's two biggest economies, U.S. President Donald Trump's latest threat to raise tariffs on Chinese imports have prompted market strategists to focus on the corrosive impact on Washington.