Zheng Xing Xing Ye Ri Bao·2026-01-28 08:58Group 1 - The jewelry sector experienced a significant increase of 9.24% on January 28, with Di'A Co. leading the gains [1] - The Shanghai Composite Index closed at 4151.24, up 0.27%, while the Shenzhen Component Index closed at 14342.9, up 0.09% [1] - Key stocks in the jewelry sector showed notable price increases, with Di'A Co. rising by 20.00% to a closing price of 38.76, and Mankalon increasing by 19.96% to 24.70 [1] Group 2 - The jewelry sector saw a net inflow of 744 million yuan from institutional investors, while retail investors experienced a net outflow of 596 million yuan [2] - The trading volume for Di'A Co. was 117,500 shares, with a total transaction value of 424 million yuan [1] - The top performers in terms of net inflow included Jin Yi Culture with 203 million yuan and Cai Zi Co. with 149 million yuan [3]