Medivation made a name for itself with Xtandi, the prostate cancer med that’s now giving Johnson & Johnson’s ($JNJ) Zytiga a run for its money. Now, it wants to challenge other drugmakers in the PARP inhibitor field, too. The company snapped up BioMarin’s ($BMRN) cancer-fighting PARP inhibitor in a $570 million deal earlier this week,Read more