Seattle Genetics (SGEN -4.8%) and Takeda Pharmaceutical (TKPYY.PK -1.00%) dip after the FDA says...

|About: Seattle Genetics, Inc. (SGEN)|By:, SA News Editor

Seattle Genetics (SGEN -4.8%) and Takeda Pharmaceutical (TKPYY.PK -1.00%) dip after the FDA says it's seen three cases of serious brain infection among patients being treated with their jointly-produced lymphoma drug Adcetris, and strengthened the drug's warning label.