Singapore stocks finished lower on Wednesday, with the benchmark Straits Times Index (STI) down 20. 98 point, or 0.68 percent, to close at 3,060.74. A total of 1.43 billion shares changed hands with turnover of 1. 06 billion Singapore dollars (848 million U.S. dollars). Losers outnumbered gainers 289 to 106, while 557 others finished unchanged. The STI index lost 31.92 points, or 1.03 percent, to close at 3, 081.72 on Tuesday.