科创芯片ETF南方（588890）开盘跌0.55%，重仓股中芯国际跌1.36%，海光信息跌4.58%

Group 1 - The core point of the article highlights the performance of the Southern Science and Technology Chip ETF (588890), which opened down 0.55% at 2.707 yuan on October 16 [1] - The major holdings of the ETF include companies such as SMIC, which opened down 1.36%, and Haiguang Information, which fell by 4.58%, while Cambrian Technology increased by 1.45% [1] - The ETF's performance benchmark is the Shanghai Stock Exchange Science and Technology Innovation Board Chip Index, managed by Southern Fund Management Co., Ltd., with a return of 172.63% since its establishment on April 15, 2024, and a return of 10.94% over the past month [1]