The U.S. dollar wobbled near a one-month high on Wednesday ahead of the Federal Reserve's policy decision, while the euro was poised to snap its run of six straight monthly gains as investors counted the cost of the U.

The euro falls to a one-month low against the dollar in the wake of the European Union and U.S. agreeing a trade deal that includes a 15% tariff on the bloc. "This has brought the problems of the euro-area back to the fore,