The single currency tumbled to a low of 1.4827 on dollar's broad-based rebound, suggesting decline from this week's 15-month high of 1.5145 to retrace recent upmove remains in progress and further weakness towards 1.4800 support is likely, however, oversold condition should prevent steep fall from there and reckon 1.4739 would hold from here.   
On the upside, only a breach of 1.4959 would signal the corrective fall has made a low and bring gain to 1.5033.