From Aug 15 to Sep 13, the price moved up from below 6 to 7, and the shorts covered from 17.8 m to 17.1 m.
From Sep 13 to Sep, the price was pushed down from above 7 to now close to 6. the shorts increased from 17.1m to 18.5m.
The shorts really work hard to control the price down. jfk, your analysis is right. Right now, only a solid event from company can break down the shorts resistence.