Singapore''s DBS Group, Southeast Asia''s biggest lender by assets, said onMonday it plans to raise about S$4 billion ($2.74 billion)through a rights offering. The bank will offer shareholders one new share for every two existing shares held, it said in a statement. DBS last month reported a 38 percent fall in quarterly netprofit to S$379 million and said it would cut 900 jobs or 6 percent of its staff. DBS raised S$1.5 billion in May through a sale of preference shares that paid investors 5.75 percent per annum. The rate was higher than the 5.05-5.1 percent offered by rivals United Overseas Bank and Oversea-Chinese Banking Corp, which also sold preference shares to strengthentheir capitala round the same time.