The Shenzhen Component Index closed 2.05 percent higher at 12,474.03 points.
Turnover of stocks covered by the two indices stood at 1.09 trillion yuan (161.77 billion U.S. dollars), higher than that on the previous trading day.
The chiplet and electronic product sectors were among the biggest gainers, while the precious metals sector suffered losses.
The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, gained 2.37 percent to close at 2,721.49 points.
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