Shares slump at open upSees 2021 gross sales falling 2.4{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809} to 10.8 bln eurosOperating margin observed at 4{cfdf3f5372635aeb15fd3e2aecc7cb5d7150695e02bd72e0a44f1581164ad809}, underneath previously...