Greek bank closures may deplete supermarket shelves
* Ban on int'l bank transfers crimps local operations * Finance Ministry: Firms can fax requests to wire money * Firms are finding solutions but remain cautious By Martinne Geller and Lefteris Karagiannopoulos LONDON/ATHENS, July 3 (Reuters) - A halt to international payments from Greek bank accounts is hurting Greek businesses and their foreign partners [...]