Speculation regarding a ECB rate hike is likely to start building further, especially coming on top of the more hawkish comments we have been seeing from the ECB officials, so that will be euro supportive,
The backdrop for the dollar is negative. G-7 comments were negative while the foreign reserves issue has come back into focus and is going to be a long term negative factor.
They've raised their inflation and growth forecasts, which suggests that the ECB thinks the European economy is improving and requires more rate hikes. These comments have helped the euro.