(Yicai Global) Oct. 28 -- China's mainland stock markets started this week with gains led by blockchain companies among other tech firms.

The Shanghai Composite Index opened 0.13 percent higher at 2,958.69. The Shenzhen Component Index was up 0.63 percent at 9,721.64. The ChiNext Price Index, which tracks growth enterprises in Shenzhen, advanced 0.72 percent to 1,687.37.  

The Central Committee of the Communist Party of China emphasized blockchain as one of the core technologies to develop during a meeting on Oct. 24, which drove shares related to the decentralized ledger up by 5 percent today. Dozens of such firms hit the 10 percent daily limit.

Editor: Emmi Laine