Despite a 0.3% drop in German retail sales nation's main stock index DAX 30 appreciated sharply on Friday after European leaders agreed on measures to aid Spanish banking system and indicated further support for Italy if needed. Carmakers recovered from previous slump. Daimler AG jumped 3.1% after the German firm and Nissan agreed to supply each other light-duty trucks in Japan, promoting the cooperation between the two car producers. BMW AG advanced 4.1% after UBS raised the share from neutral to buy. At the moment of writing DAX is 3.6% up at 6,369.