UK PENSION funds surged ahead last year with returns of 19 per cent, thanks to strong performances from the bond and stock markets, a survey has revealed. Funds made a dramatic recovery from a 4 per cent decline in 1994, according to the annual survey by The WM Company, which measures the investment performance of more than 80 per cent of the UK pension fund market. Despite that setback, pension funds over the past five years have averaged more than 15 per cent each year