China stocks slump on Friday GMT 08:18 2014 Friday, 21 February Last Updated: 05:17:37 GMT Beijing - XINHUA Chinese shares closed lower on Friday with the benchmark Shanghai Composite Index down 1.17 percent, or 25.09 points, to finish at 2,113.69. The Shenzhen Component Index lost 1.17 percent, or 91.56 points, to close at 7,750.56.