Bearish for altcoins in the mid to long term if BTC.D finds support at ca. 68.7% and rebounds (at or before 6th Sept).
Neutral for altcoins, if BTC.D drops below 68.7%, or fails to move higher away from 68.7% after 6th Sept.
Bullish for altcoins, if BTC.D falls below 68.7% and retest as resistance with immediate target down to 66.64% (then chart to be reassessed).