TechFlow, October 17 — According to Jinshi Data, the three major A-share indices closed lower. By the close, the Shanghai Composite Index fell 1.95%, the Shenzhen Component Index dropped 3.04%, and the ChiNext Index declined 3.36%. The combined turnover of the Shanghai and Shenzhen stock markets reached 1.94 trillion yuan, an increase of 6.9 billion yuan compared to the previous trading day. Most stocks declined, with over 4,700 individual stocks falling across the market.
Sectors including power grid equipment, photovoltaic equipment, lab-grown diamonds, controlled nuclear fusion, and CPO led the declines, while a few sectors such as precious metals, horse racing concepts, gas utilities, oil and gas exploration and services, and shipping rose against the trend. The banking sector performed actively, with Agricultural Bank of China hitting a new high. The gas utilities sector rose逆势, with Guo Xin Energy achieving three涨停 in four days.
On the downside, the power grid equipment sector weakened throughout the day, with Zhongdian Xinlong, Huaming Equipment, Kelu Electronics, and Liangxin Shares all hitting跌停. The lab-grown diamond sector continued to decline, with Huanghe Whirlwind and Sifangda both dropping more than 9%. The photovoltaic equipment sector fell collectively, with Haiyou New Materials and Sungrow Power both plunging over 10%. The semiconductor sector weakened amid volatility, with Canxin Shares and Hongwei Technology briefly falling over 10% during trading, while Tongfu Microelectronics, Biwin Storage, and Hua Hai Chengke led the declines.
