WANG, take a look at QLTS. You were in this last year. http://stockcharts.com/c-sc/sc?s=QLTS&p=W&yr=4&mn=3&dy=0&i=t39328511637&r=1409707353012 http://stockcharts.com/c-sc/sc?s=QLTS&p=D&yr=0&mn=36&dy=0&i=p61396462850&r=1421329830197 http://stockcharts.com/c-sc/sc?s=QLTS&p=D&yr=0&mn=12&dy=0&i=p27134837179&r=1436883739854 http://stockcharts.com/c-sc/sc?s=QLTS&p=D&yr=4&mn=3&dy=0&i=p11227277329&a=416562082&r=1437215177653