(Yicai   Global) Aug. 20 -- Stock markets on China's mainland reversed  yesterday's climbs that were spurred by promised economic stimulus  packages to close lower today as more investors chose to sell assets  than buy new ones. 

The Shanghai  Composite Index dropped 0.1 percent to close at 2,880. The Shenzhen  Component Index was unchanged at 9,328. The ChiNext Price Index, which  tracks growth enterprises listed in Shenzhen, fell 0.7 percent to 1,611.

Editor: Emmi Laine