Originally Posted by
YOWgary
Note that a stop only affects MPM if you stay there longer than 24 hours.
In the specific case of SIN, this would also trigger the points cost for YYC-SIN, adding 5,000 points to the cost of the redemption, but I believe this would still work using HKG as the point of turnaround.
Good point about the extra miles.
MPM for YYC-HKG seems pretty low at 9272 miles.