Singapore stocks finished higher on Tuesday, with the benchmark Straits Times Index (STI) up 8.48 points, or 0.26 percent, to close at 3,245.45. A total of 2.19 billion shares changed hands with turnover of 1. 22 billion Singapore dollars (961 million U.S. dollars). Decliners led gainers 202 to 195, while 557 others finished unchanged. The STI index gained 0.87 points, or 0.03 percent, to close at 3,236.97 on Monday