** Shares of cancer-focused drug developer CytomX
Therapeutics CTMX.O rise 5% to $2.75 before the bell
** Co announces it achieved a clinical candidate milestone
triggering a $5 mln payment, under its agreement with Astellas
to co-develop certain therapies for treatment of cancer
** Achievement of clinical candidate is the first in the
multi-target collaboration - CTMX
** Co was eligible for over $1.6 bln milestone payments at
the time of agreement
** Co also retained U.S. co-commercialization and economic
rights for select programs
** Stock down 40% in the past 12 months
(Reporting by Aditya Samal)
((Aditya.Samal@thomsonreuters.com;))