Go to the MB
In the search box insert convertible and you will find a lot of discussion on the subject
There is a convertible associated with EXEL.
The terms of the convertible and the strategies used by the holders have been discussed on this MB previously. I suggest you find those discussions or in the alternative research the financials for EXEL yourself.
It cannot move in a sustained way until the convertible issue is resolved.
That is the end of the story.
The "issue" is the convertible. EOS
When it is resolved the pps will move.