(Yicai Global0 May 21 -- Shares in broadcasting companies listed on the Chinese mainland surged early in the morning session after the national radio and television operator and state-owned telecoms carrier China Mobile struck a deal to build and share fifth-generation networks.

Shaanxi Broadcast & TV Network Intermediary, Guangxi Radio and Television Information Network, and Guizhou BC & TV Information Network had all hit the 10 percent daily up limit within five minutes of trading. China Broadcasting Network and China Mobile penned an agreement yesterday to set up 5G networks and grant others access to them.

The markets as a whole all opened higher. The Shanghai Composite Index started up 0.24 percent at 2,890.72, the Shenzhen Component Index began at 10,997.07, up 0.46 percent, and the ChiNext Price Index tracking growth enterprises in Shenzhen opened 0.61 percent higher at 2,130.96.

Editor: James Boynton