Miners account for the slow systematic decline we've seen over the last few weeks.  Money supply grows daily, plus a large amount of people are guaranteed to be sellers on a daily basis.  That downwards pressure has to be met by new buyers, and that just hasn't been happening.

Also, the large orders at prices like 8,9, 10 have all been removed from the 5 exchanges I track.  There was a wall of like 3k+ bitcoin bid at MtGox that poofed, which caused this drop.  10 had an absurdly large amount of bid volume as well that canceled shortly after 11 was breached.