Most likely it's a usual MMs strategy to drop the pps to get as many cheap shares as they can, when they're expecting the good news are immanent.
In our case there are a few catalysts are coming: 1st Qtr financials and we should get a PR of the any new product launches. We've been advised already that it should be soon.
Same has been happening with THC*. The pps was dropped just before another leg up.