GBP/USD - 1.5435.. Cable fell in tandem with renewed weakness in euro in Asian morning trading as st specs turned short on sterling after y'day's failure to extend intra-day rebound fm 1.5385 to 1.5511 (NY). As usual, order book is thin but selling interest is obvious at 1.5470/80 n a mixture of bids n stops is rumoured near y'day's low at 1.5385.