On Moday, the 17-nation currency retreated from a 3-week low versus the greenback on results of Spanish banks stress tests, which were a part of terms that allow winning of the European bailout. The Euro added 0.3% to trade ate $1.2896 by 9:59 a.m. in London. Earlier it lost 0.4%, being traded at $1.2804, which was the weakest since September 11.