By Anisha Sircar (Reuters) – European shares jumped on Friday, recouping losses from the previous session after Russian President Vladimir Putin signalled a positive shift in talks with Ukraine. The pan-European STOXX 600 index firmed 2%, erasing its 1.7% plunge on Thursday, and was set to clock its first weekly gain in four, since Russia’s invasion of Ukraine. Putin said on Friday there had been some progress and “positive shifts” in Moscow’s talks with Ukraine, immediately lifting investor sentiment. The German DAX surged 3%, while Spain’s IBEX and France’s CAC 40 were up about 2.3% each. “A…