EURUSD hangs just below 100 hour MA. Key barometer into the new day

EURUSD 100 hour moving average currently at 1.21081
However, momentum could not be sustained. In fact, the price could not reach the 38.2% retracement of the move down from the January 6 high at 1.21658 (the high price for the day reach 1.21577).  As a result, buyers turned to sellers and the price fell to session lows at the start