(Reuters) - European shares edged higher on Wednesday, boosted by financial stocks, as investors parsed through a mixed bag of earnings reports and awaited new developments on trade talks between the United States and China.Societe Generale shares rose 3.5% after the bank said it had set aside three-quarters of the cash needed to deliver a planned dividend payout this year. The French bank helped power a 1% rise in bank stocks , and the pan-European STOXX 600 index was up 0.06% by 0826..