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,

The dollar index (DXY00) on Tuesday rose by +0.22% and posted a 5-week high. The dollar has carryover support from Monday following the EU-US trade deal that is seen as favoring the US. Also, expectations for the Fed to keep interest rates unchanged at the end of Wednesday's 2-day FOMC meeting are supportive of the dollar.