a. General market downturn - makes it easier for those with big profits to justify taking some off of QCOR
b. Pennsylfania Law Suit.
c. Synacthen deal is not finalized, could catch a hitch.
d. News could come out of failed trials for one of their current forays.
e. Management personnel issues (ya never know, people are people, esp. when they get a few million in their pockets).
f. Trumped up short charges that hit a chord with some.
g. Pushback on reimbursement from insurance companies
h. Obamacare gyrations.
I think most of these have minimal risk, but never say never.