(Yicai Global) Oct. 21 -- China's mainland stock markets wiped out almost all of the gains of yesterday's moderate rebound while growth stocks were the first ones going south.

The Star 50 Index, which follows tech stocks on Shanghai's Nasdaq-style Start Market, was down 1.53 percent at 1,404.35. The ChiNext Price Index slid 1.48 percent to 2,699.99.

The Shanghai Composite Index fell 0.35 percent to 3,316.35. The Shenzhen Component Index stood at 13,450.87, down 1.12 percent.

Editor: Emmi Laine