Trailing stops below the 1.4950 level have been triggered as traders protect profits after several stalls above the 1.50 level over the last 24 hours. Bids are seen down at 1.4920 and again at 1.4900, traders say.

The related markets are back in sync as Oil gives up the bulk of its gains and is now below $80, at $79.55. The S&P has turned modestly lower, now down about 0.5% from earlier highs.