CTMX ▲ +2.7% - CytomX Therapeutics, Inc. $CTMX - CytomX Therapeutics Announces FDA Fast Track Designation for Varsetatug masetecan (“Varseta-M”) for Relapsed/Refractory Metastatic Colorectal Cancer (R/R mCRC) 27-AUG-2026 08:00 AM ET