European shares unchanged amid doubts over COVID-19 vaccine
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(Reuters) - European shares were flat on Wednesday after a downbeat session on Wall Street, as doubts over a potential COVID-19 vaccine fanned concerns about whether and how fast the world can successfully emerge from the coronavirus crisis.Still, a boost from healthcare stocks helped the pan-European STOXX 600 shed early losses, and the index was last trading flat.Wall Street fell more than 1% overnight after a media report questioned the validity of the results of U.S. drugmaker Moderna's ..