沪深300、科创50等指数调样今日收盘后生效！胜宏科技、东山精密等将调入沪深300

Group 1 - The sample adjustments for indices such as CSI 300, SSE 50, and STAR 50 will officially take effect after the market closes on December 12 [1][2] - The CSI 300 index will replace 11 stocks, including Shenghong Technology, Dongshan Precision, and Ruixin Microelectronics, while removing stocks like Foster and TCL Zhonghuan [1] - The SSE 50 index will replace 4 stocks, adding SAIC Motor, Northern Rare Earth, and others, while removing Poly Development and China Mobile [1] Group 2 - The STAR 50 index will replace 2 stocks, adding Aojie Technology and Shengke Communication, while removing Huaxi Biological and Hangcai Co [2] - Other indices such as CSI 500, CSI 1000, and others will also undergo sample changes, with CSI 500 replacing 50 stocks and CSI 1000 replacing 100 stocks [2] - The total scale of ETFs tracking the CSI 300 index exceeds 1,167.657 billion yuan, with the lowest management fee being 0.15% per year for the Huaxia CSI 300 ETF [2]