Analysts have poured cold water over reports that the second and third largest players in the US beer market ­ Miller and Coors ­ are mooting a merger. A combined company would have more clout against market leader Anheuser-Busch, and there would be clear synergies gained from a tie-up, commented analysts. But regulators would be unlikely to approve an effective duopoly in the US, they added. {{NEWS }}