Hong Kong stock exchange filing:Ubs Group Ag Sold 219,800 H-Shares In Joinn Laboratories 6127.Hk At Avg Price Of Hk$106.78 ($13.75) Per Share On July 8 - Hkex Filing.Ubs Group Ag'S Long Position In Joinn Laboratories Falls To 4.88% From 5.25% - Hkex Filing.