Duality Bio-B(09606.HK), which will be listed tomorrow, opened up 29.8% to $122.8 on gray market. Peaking/ bottoming at $174/122.8, it closed at $173, up 82.9% or $78.40 from the listing price, on volume of 2.2 million shares and turnover of $351 million, according to PhillipMart data. Excluding handling fee, the book gain was $7,840 per board lot size of 100 shares.

Duality Bio-B(09606.HK), which will be listed tomorrow, opened up 23.7% to $117 on gray market. Peaking/ bottoming at $178/94.6, it closed at $177, up 87.1% or $82.40 from the listing price, on volume of 1.66 million shares and turnover of $276.04 million, according to Futu data. Excluding handling fee, the book gain was $8,240 per board lot size of 100 shares.
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