Zheng Xing Xing Ye Ri Bao·2026-01-28 08:56Market Performance - The other electronic sector increased by 0.01% on January 28, with Keleke leading the gains [1] - The Shanghai Composite Index closed at 4151.24, up by 0.27%, while the Shenzhen Component Index closed at 14342.9, up by 0.09% [1] Top Gainers - Keleke (002782) closed at 23.33, up by 6.43% with a trading volume of 316,500 shares and a transaction value of 726 million [1] - Mindray Electronics (300656) closed at 27.64, up by 6.14% with a trading volume of 216,200 shares and a transaction value of 605 million [1] - Shannon Chip Creation (300475) closed at 175.00, up by 5.00% with a trading volume of 454,600 shares and a transaction value of 778 million [1] Top Losers - Walden Nuclear Materials (002130) closed at 29.32, down by 10.01% with a trading volume of 1,972,400 shares and a transaction value of 6.072 billion [2] - Jingquan Technology (002885) closed at 27.40, down by 3.15% with a trading volume of 151,500 shares and a transaction value of 419 million [2] - Hanzhuo Technology (301275) closed at 60.40, down by 2.89% with a trading volume of 33,600 shares and a transaction value of 206 million [2] Capital Flow - The other electronic sector experienced a net outflow of 320 million from institutional investors, while retail investors saw a net inflow of 444 million [2] - The capital flow data indicates that institutional investors withdrew funds, while retail investors increased their investments in the sector [2] Individual Stock Capital Flow - Shannon Chip Creation (300475) had a net inflow of 96.5 million from institutional investors, but a net outflow of 47.3 million from speculative funds [3] - Keleke (002782) saw a net inflow of 29.9 million from institutional investors, with a significant outflow from retail investors [3] - Mindray Electronics (300656) had a net inflow of 10.6 million from institutional investors, while retail investors withdrew funds [3]