Although this is not particularly stunning in terms of earning club points, premium economy to Australia from HKG is currently $11k all-in. On sale until end of June for travel until January 2017 with the only black out being Christmas. I haven't seen fares this cheap ever and this matches Qantas. CX is really bleeding...
Is it E class GV2 fare? If so then it's been there for over few months already...
Few months ago non GV2 E class to AU was about $13K all in...