Ericsson, autos key Europe gains; London lags

��rose 2.5% and BMW AG /quotes/comstock/11e!fbmw DE:BMW +1.90% ��added 1.7%. In Sweden, shares of Volvo AB /quotes/comstock/22u!volv-b SE:VOLVB +2.46% ��rose 2.9% after the truck maker said first-quarter sales rose 22% and also lifted its...