Zheng Xing Xing Ye Ri Bao·2025-10-30 08:33Market Overview - The metal new materials sector increased by 0.35% on October 30, with Zhongke Magnetic leading the gains [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Top Performers - Zhongke Magnetic (301141) closed at 63.64, up 5.71% with a trading volume of 120,400 shares and a transaction value of 774 million [1] - Jinyi Yongci (300748) closed at 42.07, up 4.81% with a trading volume of 1,244,400 shares and a transaction value of 5.206 billion [1] - Yinhe Magnetic (300127) closed at 36.75, up 3.90% with a trading volume of 303,700 shares and a transaction value of 1.115 billion [1] Underperformers - Jiangnan New Materials (603124) closed at 88.22, down 6.30% with a trading volume of 40,500 shares and a transaction value of 367 million [2] - Zhengke Materials (600255) closed at 3.72, down 3.63% with a trading volume of 741,100 shares and a transaction value of 279 million [2] - Zhongzhou Special Materials (300963) closed at 22.51, down 3.51% with a trading volume of 404,000 shares and a transaction value of 922 million [2] Capital Flow - The metal new materials sector saw a net inflow of 238 million from institutional investors, while retail investors experienced a net outflow of 116 million [2] - Major stocks like Jinyi Yongci and Ningbo Yunsheng had significant capital movements, with Jinyi Yongci seeing a net inflow of 1.47 billion from institutional investors [3]