CaoCao Inc.(02643.HK) -0.100 (-0.278%) , which will be listed tomorrow, opened down 19.9% to $33.6 on gray market, and last printed at $34.75, down 17.1% from the listing price , on volume of 457,400 shares and turnover of $15.98 million, according to Futu data.CaoCao Inc.(02643.HK) -0.100 (-0.278%) , which will be listed tomorrow, opened down 14.2% to $36 on gray market, and last printed at $34.8, down 17% from the listing price , on volume of 295,000 shares and turnover of $10.1 million, according to PhillipMart data.(HK stocks quote is delayed for at least 15 mins.)Related NewsM Stanley Lays Out Latest HK Stock Focus List, Excluding POP MART (Table)