KUALA LUMPUR (Feb 15): The main index at Bursa Malaysia held on to the 1,600 threshold at the midday break Monday despite paring some of its gains, against the backdrop of firm regional markets. At 12.30pm, the FBM KLCI was up 9.89 points to 1,609.31. The index had earlier risen to a high of 1,614.92. Market breadth was positive with 538 gainers and 234 losers, while 727 counters traded unchanged. Trading volume was 5.56 billion shares valued at RM2.56 billion. The top gainers included Nestle (M) Bhd, Dutch Lady Milk Industries Bhd, Genetec Technology Bhd, ViTrox Corp Bhd, UWC Bhd, PMB Technology Bhd, Grand Hoover Bhd, Malaysian Pacific Industries and Central Global Bhd.