Dropping like "a rocket"? Really?? Was this the best analogy you could come up with? Yes, rockets, those objects designed to travel UP and tremendous velocities--where are you getting your rockets from, the Republic of Wadiya?
People don't understand that a stock can drop and still be under accumulation. Right now Barrons is showing a positive net money flow in to CYTK of $241,004. The info is updated every few minutes on Barrons. You can check for free.