KUALA LUMPUR, Nov 23 — Bursa Malaysia’s key index turned lower at mid-morning on lack of sustained buying interest. At 11.05am, the benchmark FTSE Bursa Malaysia KLCI (FBM KLCI) fell 2.16 points to 1,524.71 from 1,526.87 at Monday’s close. The index opened 0.38 of-a-point better at 1,527.25....