Dalie Environmental (01790) fell as much as 47% to a low of HK$0.275 and was last down 35.6% at HK$0.335, according to ETNet.

The stock traded 25,000 shares worth HK$6,950. The active buy-sell ratio was 0:100, with net active selling of HK$6,950. The share price also broke below its 20-day moving average of HK$0.474. Futu Securities International was the largest net passive buyer, with HK$4,200, at a weighted average price of HK$0.28.