Fourier (03625) jumped as much as 33% to an intraday high of HK$81.95, before easing to HK$79, up 28.6%, according to ETNet.
The stock traded as low as HK$60 and crossed above its 10-day moving average of HK$74.625. Turnover reached 1.151 million shares worth HK$79.17 million, with an active buy-sell ratio of 52:48 and net active buying of HK$3.3447 million. China Investment Information was the largest net passive buyer at HK$2.1752 million, while JPMorgan was the largest net passive seller at HK$4.4691 million.
