Several major housebuilders have lit up the reporting season with record results, underlining the strength of the market. Most are also expressing bullish views about 2002, with no sign of the feared downturn.Persimmon announced that profits had surged 80% to &£188 million following the takeover of Beazer, while interim pre-tax profits at Redrow rose 18% to &£41.6 million, prompting the …