Chinese stocks closed mixed at the midday Monday, after Premier Wen Jiabao said the government will target an economic growth of 7.5 percent this year, the lowest goal since 2004. The benchmark Shanghai Composite Index dipped 0.05 percent, or 1.34 points, to 2,459.35 at the midday. The Shenzhen Component Index ended the morning session at 10,320.42, up 0.2 percent, or 20.48 points.