The pair eased and dollar posted gains after better than expected Existing Home Sales data. The figure came at 5.42 million while 5.29 million was expected. Pound annulled Tuesday gains as the European Council President Tusk reiterated that the backstop was not up for negotiation. Markets are eyeing the Fed minutes from its July meeting and the US dollar may advance ahead of the Jackson Hole symposium. The pair moves sideways between 1.2050 and 1.2170 bounds.