** Fresh drinks producer MIXUE Group's 2097.HK shares jump 9.4% to HK$587, on track for their biggest one-day pct rise since May 27

** Assembly toys developer Bloks Group 0325.HK soars 18.9% to HK$187.9, a record high

** Ready-made beverages producer Guming Holdings 1364.HK jumps 7.7% to HK$28.55, on course for biggest one-day pct gain since June 4

** The Shanghai Stock Exchange included MIXUE, Bloks and Guming in the Southbound Stock Connect list under the Shanghai-Hong Kong Stock Connect effective June 9

** Hang Seng Commerce & Industry Index .HSNC rises 1.7%, Hang Seng Index .HSI adds 1.4%

** Bloks, Guming and MIXUE debuted in Hong Kong on Jan 10, Feb 12 and March 3, respectively

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))