The San Diego Stock Exchange Index closed higher Friday at 136.05, up 0.91 percent from Thursday. Advancing issues beat decliners 62 to 36, and 139 issues were unchanged. ServiceNow Inc. (NYSE: NOW) was the top dollar gainer, up $1.94 to $33.48. Volcano Corp. (Nasdaq: VOLC) was the top dollar loser, down $2.04 to $22.63. For the complete, updated San Diego Stock Exchange Index visit sddt.com/stocks.