On debut today, QUANTGROUP(02685.HK) -0.420 (-1.272%) opened at $26, up 165.3% from the listing price of $9.8. Peaking/ bottoming at $27.8/18.3, the stock closed at $18.5, up 88.8% from the listing price of $9.8, on volume of 4.89 million shares and turnover of $126.72 million. Excluding handling fee, the book gain was $4,350 per board lot size of 500 shares.(HK stocks quote is delayed for at least 15 mins.)Related NewsJPM: HKEX (00388.HK) Posts Strong Earnings Last Quarter; Rating Kept at Overweight