The Italian investment bank Mediobanca informed the French stock exchange authority that it had raised its stake in French cement supplier Ciments Francais, a unit of Italian cement group Italcementi, over the 10 per cent threshold as of February 28, 2005.  Currently Mediobanca holds exactly 4,080,528 Ciments Francais shares, equal to 10.66 per cent of the company’s capital and 6.28 per cent of the voting rights.  Italcementi is the biggest Ciments Francais shareholder with a 75 per cent stake. Published under Cement News