CAIRO (Egypt) - ArcelorMittal, the world's largest steelmaker, said yesterday it would invest up to $1bn in Egypt after winning a licence to build direct reduced iron (DRI) and billet steel factories. ArcelorMittal, which will pay 340m Egyptian pounds ($61.2m) for the licence, beat India's Essar Global and Al Ghurair of the United Arab Emirates in the auction. “The bid was intense. It was about 81 rounds,”…