Duba (01753) jumped nearly 47% to HK$0.55, a 52-week high, with turnover of 6.9748 million shares worth HK$3.2068 million, according to ETNet. The stock hit a low of HK$0.355 and had an active buy-sell ratio of 78:22, with net active buying of HK$1.7702 million. The largest net passive buyer was Futu Securities International, while the largest net passive seller was Longbridge Securities Hong Kong.