LONDON (Reuters) -Standard Chartered’s pay plans for top executives were approved by shareholders on Wednesday, but a sizeable minority of investors voted against the plans, after concerns were raised ahead of the bank’s annual investor meeting. The emerging markets-focused bank had been braced for a potential rebellion after influential shareholder proxy advisers ISS and Glass Lewis both objected to its pay plans. ISS argued that StanChart should have reduced bonuses by a greater amount last year, after the lender was slapped with a record 47 million pound fine by the Bank of England’s Pruden…