State-linked lender DBS Group, which helped pull the market up on Monday, dropped 40 cents or 3.3% to S$11.50. Family-controlled rival UOB, which reached a recent peak of S$13.90 as a recovery play, gave up 20 cents or 1.5% to profit-takers to S$13.20. The Straits Times index shed 20.3 points to 1550.5.