The San Diego Stock Exchange Index closed lower Monday at 136.20, down 1.05 percent from Friday. Declining issues beat advancers 69 to 29, and 142 issues were unchanged. ServiceNow Inc. (NYSE: NOW) was the top dollar gainer, up 89 cents to $28.96. Life Technologies Corp. (Nasdaq: LIFE) was the top dollar loser, down $2.22 to $63.02. For the complete, updated San Diego Stock Exchange Index visit sddt.com/stocks.