(Yicai Global) Aug. 24 -- China's major stock indexes all gained in the morning session as the launch of a new registration-based initial public offering system prompted investors to buy more shares.

The Shanghai Compose Index climbed 0.18 percent to 3,386.86 by the lunch break. The Shenzhen Component Index rose 1.39 percent, to 13,665.39. The ChiNext, which tracks growth enterprises listed in Shenzhen, surged 2.32 percent to 2,693.56.

Editor: Emmi Laine