People walk into a Tesco supermarket in London recently. Tesco PLC, the world’s third largest retailer, reported solid growth in quarterly sales with its international businesses making a strong contribution to the increase. Tesco, which ranks behind U.S. Wal-Mart Stores Inc. and France’s Carrefour SA, said same store sales, excluding fuel, rose 4.3 per cent in the 13 weeks ending May 30, up from 3.7 per cent in the previous quarter.