Hong Kong stock market fluctuations | PCB concept stocks continue to rise, Jiantao has implemented price increases five times this year, Rubin may start full production early or initiate early stocking.

According to Wisdom Finance APP, the concept stocks of PCB continued to rise. As of the time of writing, Guanghe Technology (01989.HK) rose by 6.8% to HK$181.4; Comba Telecom Systems (01888.HK) rose by 5.93% to HK$99.1; Hydman (03200.HK) rose by 2.88% to HK$189.6; and Comba Group (00148) rose by 1.42% to HK$128.6.