Eurozone flash PMI data is due out at 4:00 am ET. The composite output index is seen at 47.2 in May, up from 46.9 in April.
The euro showed mixed trading ahead of the report. While the common currency edged lower against the Swiss franc, it held steady versus the rest of majors.
As of 3:55 am ET, the single currency was trading at 1.2866 against the US dollar, 1.2489 against the Swiss franc, 0.8549 against the pound and 131.0 against the yen.
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