Rebecca(SH:600439) Zheng Xing Xing Ye Ri Bao·2025-10-31 08:41Market Overview - The jewelry sector increased by 0.89% on October 31, with Ruibeka leading the gains [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Individual Stock Performance - Ruibeka (600439) closed at 3.11, up 9.89% with a trading volume of 757,900 shares and a turnover of 229 million yuan [1] - ST Xinhua Jin (600735) rose by 5.02% to 7.32, with a trading volume of 226,700 shares and a turnover of 166 million yuan [1] - Mankalon (300945) increased by 2.55% to 18.13, with a trading volume of 126,700 shares and a turnover of 229 million yuan [1] - Other notable performers include Diya Co. (301177) up 1.82% and Laishen Tongling (603900) up 1.75% [1] Capital Flow Analysis - The jewelry sector saw a net inflow of 50.1 million yuan from institutional investors, while retail investors experienced a net outflow of 285.8 million yuan [2][3] - Ruibeka had a significant net inflow of 71.98 million yuan from institutional investors, representing 31.46% of its trading volume [3] - Mankalon and Zhou Dazheng also experienced net inflows from institutional investors, although retail investors showed a net outflow [3]