GBP/USD - 1.5728.. Cable has maintained a firm undertone due to renewed buying in sterling vs usd n other currencies in early NZ/AUS trading, price climbed abv Fri's 1.5723 high to 1.5735. Market has shrugged off w/end news of BP will take action against an 'unconstitutional' proposal by U.S. lawmakers to ban it from new offshore drilling in the U.S., the British Embassy warned such legal measure could be seen as protectionism. Bids have been raised to 1.5700-90 n some offers (profit-taking) are touted at 1.5740-50. Range-trading with a firm bias is seen until Euroepan opening n U.K. July PMI is out at 08:28GMT, any reading much higher than forecasted 57.0 (prev. was 57.5) wud spark more st spec buying in London but we have to wait n see.