I had heard on this board that one of the reasons for call in ..was the brokrage felt this stock was manipulated.... This was lifted from some firms..(TDameritrade).... this goes back to huge run-up and run down..... with the warrants gone... the large investors with smaller stakes..(Lincoln Swartz) it should be much better...however I still believe the MM's for PTSC still work this stock.. Namely SBSH & NITE.....(yes they can maniplute and accomadate trade direction & movement...)
Better times to come...