Weak heavyweights dragged China's stocks down from a seven-month high Tuesday, as investors turned cautious on rising inflation concerns that might trigger monetary policy tightening.

The benchmark Shanghai Composite Index down 0.78 percent, or 24.51 points, to close at 3,135.

The Shenzhen Component Index dropped 0.67 percent, or 93.01 points, to end at 13,714.3.

Combined turnover declined to 447.3 billion yuan (67.16 billion U.S. dollars) from 453.1 billion yuan the previous trading day.

Losers outnumbered gainers by 450 to 427 in Shanghai while gainers outnumbered losers by 584 to 509 in Shenzhen.