By Chris Dorrell Barclays joined other lenders in announcing sizeable returns to shareholders after performing ahead of expectations in the second quarter. In the three months to June, Barclays reported a pretax profit of £1.9bn, more or less unchanged on last year but comfortably ahead of the £1.6bn expected by analysts. The lender’s investment bank and its wealth management division were the star performers, with income rising ten per cent and seven per cent respectively. In its wealth management division Barclays reported the continued benefits from the higher rate environment and “client b…