So, Clearly there's an Head & Shoulder formation at this point, and all indicators tells that's a probably good time to open short position.
1. 6690 Eur - Probably bounce to 6720 or not.
2. 6670 Eur - Probably bounce to 6720 this is more likely in personal opinion.
3. 6620 Eur - More probabilities to bounce and try to go back again to 6800 zone.