UPDATE 1-Porsche and Puma to join Germany's DAX as key index expands - NewsBreak

FRANKFURT, Sept 3 (Reuters) - The German carmaker Porsche and sportswear maker Puma will join the nation's premier DAX stock index, as it expands to 40 from 30 companies in the biggest overhaul of its 33-year history, the exchange operator Deutsche Boerse said on Friday. The expansion was contemplated for...