Shares in Anglo American were down on the FTSE 100 in morning trading despite the mining company more than doubling its pre-tax profit in the full year ended 31 December 2010.

Group revenue was reported as being up 34 per cent to £32.9 billion, while pre-tax profit jumped 171 per cent to £10.9 billion.

Anglo American said that its net debt at the end of the year stood at $7.4 billion.

The group said that its total dividends for the year would be $0.65 per share.

By 10:35 shares in Anglo American were down 2.41 per cent on the FTSE 100 to 3,216.00 pence per share.