Singapore stocks finished lower on Thursday, with the benchmark Straits Times Index (STI) down 14. 76 points, or 0.45 percent, to close at 3,261.77. A total of 3.45 billion shares changed hands with turnover of 1. 58 billion Singapore dollars (1.28 billion US dollars). Losers outnumbered gainers 336 to 168, while 456 others finished unchanged. The STI index gained 3.87 points, or 0.12 percent, to close at 3,276.53 on Wednesday.