看好AI芯片国产化进程！芯片ETF（159995）跌1.19%，北京君正下跌3.16%

Group 1 - The A-share market experienced a collective decline, with the Shanghai Composite Index dropping by 0.41% as of midday on December 2 [1] - The chip sector showed weakness, with the chip ETF (159995) down by 1.19%, and key component stocks such as Beijing Junzheng, Jinghe Integrated, and Northern Huachuang falling by 3.16%, 2.52%, and 2.44% respectively [1] - Some individual stocks in the chip sector were active, with OmniVision Technologies rising by 0.33% and BGI Genomics increasing by 0.27% [1] Group 2 - TSMC's chairman, Wei Zhejia, highlighted a shortage in advanced process capacity during the annual supply chain forum, indicating plans for the construction or expansion of 10 wafer fabs globally next year [3] - Huaxi Securities expressed optimism about the domestic chip industry's development, emphasizing that the current period is the best time for the advancement of domestic chips, driven by the upgrade of chip architecture and advanced process manufacturing [3] - The chip ETF (159995) tracks the National Chip Index, which includes 30 leading companies in the A-share chip industry across various segments such as materials, equipment, design, manufacturing, packaging, and testing, including SMIC, Cambricon, Changdian Technology, and Northern Huachuang [3]