The San Diego Stock Exchange Index closed lower Thursday at 116.31, down 0.09 percent from Wednesday. Declining issues beat advancers 46 to 31, and 63 issues were unchanged. Pricesmart Inc. (Nasdaq: PSMT) was the top dollar gainer, up $3.63 to $76.07. Cymer Inc. (Nasdaq: CYMI) was the top dollar loser, down $1.87 to $77.82. For the complete, updated San Diego Stock Exchange Index visit sddt.com/stocks.