Gbp/usd - 1.6549...Cable dropped to as low as 1.6519 (bids at 1.6530/40 were absorbed) in Asia in line with the dlr's broad-based rebound b4 bouncing partly due to M & A related news (Blackrock announced an agreement to acquire Barclays Global Investors). Offers remain at 1.6600 n also further out at 1.6640/50 (some orders are option-related). On the downside, more buying interest is lined up at 1.6500 with stops placed below there...