芯片ETF广发（159801）开盘跌1.50%，重仓股中芯国际跌1.28%，海光信息跌1.68%

Group 1 - The core viewpoint of the article highlights the performance of the chip ETF Guangfa (159801), which opened down by 1.50% at 0.982 yuan on February 2 [1] - Major holdings in the chip ETF experienced declines, with notable drops including ZTE International down 1.28%, Haiguang Information down 1.68%, and GigaDevice down 4.47% [1] - The performance benchmark for the chip ETF is the yield of the National Securities Semiconductor Chip Index, managed by Guangfa Fund Management Co., with a return of 99.10% since its inception on January 20, 2020, and a return of 14.65% over the past month [1]