(Yicai Global) May 27 -- China's mainland stock markets fell back in the morning session as investors cashed in after yesterday's strong rebounds, meaning that the winning tech shares lost the most today.

The Shanghai Composite Index slid 0.05 percent to 2,845.01 by the lunch break. The Shenzhen Component Index edged down 0.50 percent to 10,761.26. The ChiNext Price Index, which tracks growth enterprises listed in Shenzhen, moved 0.96 percent down to 2,092.58.

Editor: Emmi Laine