* Shanghai stocks lower, blue-chip CSI300 index down
* Gains in Shanghai stocks led by Wintime Energy Co Ltd and losses by Aurora Optoelectronics Co Ltd
* China’s A-shares are at 22.76 percent premium over H-shares
SHANGHAI, May 4 (Reuters) - China stocks ended lower on Friday, capping a listless week, as investors anxiously await the outcome of the Sino-U.S. trade talks being held in Beijing.
** The blue-chip CSI300 index ended down 0.5 percent at 3,774.60, while the Shanghai Composite Index closed 0.3 percent lower at 3,091.03 points.
** For the week, the CSI300 index ended 0.5 percent higher, while the Shanghai Composite Index closed up 0.3 percent. ** The blue-chip CSI300 index was down, with its financial sector sub-index closed 0.81 percent lower, the consumer staples sector ended down 0.73 percent, the real estate index ended down 0.25 percent and healthcare sub-index closed 1.09 percent higher. ** The smaller Shenzhen index ended down 0.21 percent and the start-up board ChiNext Composite index was weaker by 0.65 percent. ** Around the region, MSCI’s Asia ex-Japan stock index was weaker by 0.54 percent, while Japan’s Nikkei index closed down 0.16 percent. ** At 0722 GMT, the yuan was quoted at 6.3527 per U.S. dollar, 0.04 percent weaker than previous close of 6.35. ** The largest percentage gainers in the main Shanghai Composite index were Wintime Energy Co Ltd, which closed up 10.23 percent, followed by Shanghai Laimu Electronics Co Ltd , which ended 10.02 percent higher and Jiangyin Jianghua Microelectronics Materials Co Ltd that closed higher by 10.01 percent. ** The largest percentage losses in the Shanghai index were Aurora Optoelectronics Co Ltd, which ended down 10 percent, followed by China National Software & Service Co Ltd , which closed 9.9 percent lower and Whirlpool China Co Ltd that closed down by 7.97 percent. ** So far this year, the Shanghai stock index is down 6.5 percent, the CSI300 has fallen 6.4 percent while China’s H-share index listed in Hong Kong is up 1.8 percent. Shanghai stocks have risen 0.29 percent this month.
** About 11.87 billion shares were traded on the Shanghai exchange, roughly 75.6 percent of the market’s 30-day moving average of 15.70 billion shares a day. The volume in the previous trading session was 14.00 billion. ** As of 0723 GMT, China’s A-shares were trading at a premium of 22.76 percent over the Hong Kong-listed H-shares. ** The Shanghai stock index is below its 50-day moving average and below its 200-day moving average. ** The price-to-earnings ratio of the Shanghai index was 13.33 as of the last full trading day, while the dividend yield was 2.3 percent. (Reporting by Shanghai Newsroom, Editing by Sherry Jacob-Phillips)