mexican tycoon beats bill gates for world's richest title

telecommunications mogul, carlos slim, is now the richest man in the world, he is worth 67.8 billion. gates is worth 59.2 billion.

shares in slim's mobile phone empire surged by 27% over the second quarter, compared with a 5.7% rise for microsoft. slim's bank, inbursa, also saw its stock jump by 20%.