A former Wall Street stockbroker plans to launch a hedge fund to short shares in Coca-Cola and give any profits to people in countries he claims the US giant has exploited.

Max Keiser, a self-styled "investment activist", has teamed up with the son of the late entrepreneur Sir James Goldsmith with the aim of almost halving Coke's share price to $22 in 12 months from its current value of around $40.