Shorts have covered!
Positions for PTK:
Symbol Report Date Volume Change Shares Issued % Float
......PTK 2014-03-15 66,144 -733,355 148,229,985 0.04
......PTK 2014-02-28 799,499 760,500 145,524,120 0.55
......PTK 2014-02-15 38,999 -107,001 142,799,270 0.03