a dramatic increase of shares ready to be let for shorts...
hmmm, looks like too much of a risk to stay short or to be short at the moment of time, no?
yesteday it was 450.000,
today:
Symbol: PTSC
Availability: 2'500'000
Exchanges: PINK
http://www.interactivebrokers.com/en/?f=%2Fen%2Ftrading%2FViewShortableStocks.php%3Fcntry%3Dusa%26amp%3Btag%3DUnited%2520States%26amp%3Bib_entity%3Dllc%26amp%3Bln%3D%26amp%3Basset%3D%26amp%3Bb%3DPTS%26amp%3Be%3DQAB