American interest in ITV was repudiated by Granada, down 2 3/4p at 99 3/4p, and Carlton, down 4 1/2p to 173 1/2p, who have their own plans to cosy up to one another in a £4bn merger. US-owned Viacom, the world's biggest media group, and Saban Capital Group, both owned by billionaire Haim Saban, could still be interested once the merger is completed.