Property investor Robert Tchenguiz raises stake in FirstGroup to over 6%

(Reuters) - Iranian-born property investor Robert Tchenguiz raised his stake in FirstGroup on Monday, months after forcing the British transport firm to sell its U.S. assets as part of a portfolio overhaul.Tchenguiz now owns a 6.09% stake in the company, up from 5.08%.Tchenguiz with Coast Capital Management, FirstGroup's second biggest investor with a 10% holding, called for the sale in November, saying Aberdeen-based FirstGroup's U.S. assets had no synergies with its operations at home, which..