Persistent buying momentum for plantation and oil and gas stocks amid growing optimism about a global economic recovery pushed Bursa Malaysia to close on a firm note on Wednesday, with the benchmark index ending at almost a one-month high. The benchmark FBM KLCI rose 29.0 points or 1.9% to end the day at the day’s high of 1,559.42, compared with 1,530.42 at Tuesday’s close.