Sumitomo Rubber’s Dunlop Sports business, which includes the Srixon, Cleveland and XXIO brands of tennis, squash, padel and golf products, reported a 29 percent increase in operating profit to 1.44 billion yen (€11.0m) from ¥1.12 billion, on fourth-quarter sales growth of 24 percent to ¥25.33 billion (€193.5m) from ¥20.46 billion. ...