Investing.com - The dollar was flat to lower Wednesday ahead of the start of Fed Chair Janet Yellen's testimony to Congress.
The dollar index was off 0.01% at 95.48 at 02:45 ET, off a low of 95.30.
The euro hit levels of close to $1.15, levels last seen in May 2016. The single currency was off 0.03% at $1.1463.
The euro was supported by reports Donald Trump's eldest son welcomed Russian help in his father's 2016 presidential campaign.
Investors are looking to developments in Republican's healthcare reform push and what that means for Trump's economic agenda.
The Bank of Canada is widely expected Wednesday to raise its key interest rate for the first time in seven years.
The loonie firmed against the dollar, with a 25 basis point hike by the BoC expected.
The pound was lower against the dollar, trading well below the $1.29 mark.
BoE Deputy Governor Ben Broadbent in a speech Tuesday eschewed comment on the outlook for rates amid speculation of a hike.
The dollar fell back below the 114 mark against the yen.
The Aussie firmed against the dollar amid a pick-up in commodity prices.