Dah Sing Banking Group aims to increase net interest margins and shareholders' returns this year, vice-chairman Harold Wong said. The group would focus on expanding its wealth management business, securities trading, loan fee income and insurance policy sales, he said. The group's profits rose 78.7 per cent to HK$1.07 billion last year and it proposed a final dividend of 20 HK cents per share. Dah Sing Financial Holdings said profits rose 62.8 per cent to HK$ 1.28 billion. It proposed a final dividend of 86 HK cents per share.