Zheng Xing Xing Ye Ri Bao·2025-10-22 08:19Market Overview - On October 22, the other electronic sector remained unchanged with a 0.0% increase, led by RuiNeng Technology [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Top Performers - RuiNeng Technology (603933) closed at 23.43, up 10.00% with a trading volume of 492,300 shares and a turnover of 1.124 billion [1] - TaiLong Co., Ltd. (300650) closed at 18.31, up 6.33% with a trading volume of 299,600 shares and a turnover of 546 million [1] - Yunhan Chip City (301563) closed at 208.29, up 5.64% with a trading volume of 92,300 shares and a turnover of 1.882 billion [1] Underperformers - Igor (002922) closed at 22.32, down 3.79% with a trading volume of 247,300 shares and a turnover of 558 million [2] - KeliKe (002782) closed at 16.65, down 3.65% with a trading volume of 142,900 shares and a turnover of 240 million [2] - Yachuang Electronics (301099) closed at 55.30, down 3.14% with a trading volume of 241,000 shares and a turnover of 1.303 billion [2] Capital Flow - The other electronic sector saw a net inflow of 277 million from institutional investors, while retail investors experienced a net outflow of 112 million [2] - Major stocks like XiangNeng Chip (300475) had a net inflow of 407 million from institutional investors, but a net outflow of 234 million from retail investors [3] - RuiNeng Technology (603933) had a net inflow of 137 million from institutional investors, with significant outflows from both retail and speculative investors [3]