(Yicai Global) Oct. 22 -- China's mainland stock markets opened lower this morning as uncertainty about economic recovery amid the worldwide pandemic left investors scratching their heads.

The Shanghai Composite Index opened 0.28 percent weaker at 3,315.82. The Star Market Board 50 Index, or Star 50, was 0.13 percent down at 1,395.13.

The Shenzhen Component Index fell 0.36 percent to 13,419.39. The ChiNext Price Index, which tracks growth enterprises in Shenzhen, declined 0.51 percent to 2,686.78.

Editor: Emmi Laine