Singapore stocks finished lower on Monday, with the benchmark Straits Times Index (STI) down 27.90 points, or 0.91 percent, to close at 3,029.61. A total of 2.36 billion shares changed hands with turnover of 1. 35 billion Singapore dollars (1.11 billion U.S. dollars). Losers outnumbered gainers 315 to 126, while 524 others finished unchanged. The STI index gained 12.78 points, or 0.42 percent, to close at 3,057.51 on Thursday.