Market makers doing their job=simple
It's not that far away before PPS heads north, it's inevitable at this point. I still say it heads further south prior though, fundamentally it has to. And should be, by now, churning in the .005 range. Appears to be propped up by automated programming. Which desperately needs turned off.
Yes, it can be pumped, that's trashy and never sticks. Watch, as soon as bills are overwhelming, it pops by .005-7