* SSEC flat, CSI300 -0.2 pct, HSI -0.6 pct
* HK->Shanghai Connect daily quota used 1.4 pct
* FTSE China A50 -0.3 pct, BNY Mellon ADR China Select -1.7 pct
SHANGHAI, July 31 (Reuters) - Hong Kong stocks fell on Tuesday, led by tech firms that tracked losses in the sector on Wall Street. ** The Hang Seng index dropped 0.6 percent, to 28,574.64 points, while the Hong Kong China Enterprises Index lost 0.4 percent, to 10,997.46. ** The index tracking the IT sector slumped 2.9 percent by the lunch break. ** Overnight on Wall Street, the Nasdaq skidded 1.4 percent. ** The technology index crumbled 1.8 percent overnight as disappointing results from Facebook, Twitter and Netflix spurred concerns about future growth for a sector that has led U.S. equities to record highs. ** On the mainland, major stock indexes barely moved after data showed growth in China’s manufacturing sector slowed more than expected in July. ** The CSI300 index fell 0.2 percent, to 3,508.63 points at the end of the morning session, while the Shanghai Composite Index was unchanged at 2,868.15 points. ** Around the region, MSCI’s Asia ex-Japan stock index was weaker by 0.29 percent while Japan’s Nikkei index was down 0.40 percent. ** The yuan was quoted at 6.8211 per U.S. dollar, 0.03 percent weaker than the previous close of 6.8188. ** The largest percentage gainers in the main Shanghai Composite index were Tianjin Songjiang Co Ltd up 10.15 percent, followed by Weifang Yaxing Chemical Co Ltd gaining 10.06 percent and Sichuan Xichang Electric Power Co Ltd up by 10.04 percent. ** The largest percentage losses in the Shanghai index were Hongfa Technology Co Ltd down 10.01 percent, followed by Nanning Department Store Co Ltd losing 9.11 percent and Delixi Xinjiang Transportation Co Ltd down by 7.44 percent. ** The top gainers among H-shares were PICC Property and Casualty Co Ltd up 2.19 percent, followed by Guangzhou Automobile Group Co Ltd gaining 2.1 percent and Postal Savings Bank of China Co Ltd up by 1.74 percent. ** The three biggest H-shares percentage decliners were ZhongAn Online P & C Insurance Co Ltd which has fallen 3.16 percent, Tencent Holdings Ltd which has lost 2.8 percent and Huaneng Power International Inc down by 2.6 percent. ** About 6.74 billion shares have traded so far on the Shanghai exchange, roughly 48.1 percent of the market’s 30-day moving average of 14.02 billion shares a day. The volume traded was 15.17 billion as of the last full trading day. ** As of 04:02 GMT, China’s A-shares were trading at a premium of 17.78 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 12.51 as of the last full trading day while the dividend yield was 2.6 percent. ** So far this week, the market capitalisation of the Shanghai stock index has fallen by -0.14 percent to 30.41 trillion yuan.
Reporting by Luoyan Liu and John Ruwitch; Editing by Sunil Nair