The single currency tumbled to 1.2888 yesterday on active cross selling in euro, suggesting decline from 1.3739 to retrace upmove from 1.2457 remains in progress and below said sup would bring further weankess to 1.2833/40, however, oversold condition should prevent steep fall below there and yield rebound later.  
On the upside, a breach of 1.2990/00 would signal temporary low is made n bring minor retracement to 1.3050/60 before down.