The Stock Exchange of Thailand main index fell 0.49%, or 6.94 points, to 1,418.38 on Friday. Total trading value was 45.57 billion baht, with 9 billion shares changed hands. SET50 index dropped 0.42%or 3.90 points, to 919.63 in trade worth 25.82 billion baht. MAI slipped 0.38%, or 2.29 points, to 598.85, in total transaction value of 1.81 billion baht. Brokers bought a net 882.62 million baht, followed...