The official announcement on a likely Brexit deal could be delayed by a minimum of a couple of hours, as the talks on the key issue of fisheries continue, several media houses reported. GBP/USD holds the higher ground, as the bulls aim to conquer the 1.36 barrier amid optimism over a potential Brexit deal. EUR/USD clings to 1.2200 as Brexit optimism downs the USD. The dollar was down on Thursday morning in Asia, with investors retreating from the safe-haven greenback and turning to the pound over expectations of an imminent Brexit deal that could help the U.K. avoid a turbulent economic rupture come Jan. 1. The dollar index inched down 0.09% to 90.168.