豆包AI手机助手发布，消费电子ETF（159732.SZ）成分股表现分化

Group 1 - The A-share market experienced a collective decline on December 4, with the Shanghai Composite Index dropping by 0.35%. The sectors showing gains included non-ferrous metals, defense, and non-bank financials, while beauty care and social services faced the largest declines [1] - In the consumer electronics sector, the Consumer Electronics ETF (159732.SZ) fell by 0.85% as of 10:17 AM. Notable performers included Heheta, which rose by 4.39%, Kebo Da by 3.28%, Shenghong Technology by 2.48%, and Xinwei Communication by 0.77%. Conversely, Dongshan Precision and Baiwei Storage saw declines of -5.25% and -3.03%, respectively [1] Group 2 - On December 1, Doubao launched a preview version of its AI phone assistant, which functions as a system-level agent capable of executing complex commands and achieving a complete loop from information search to processing and cross-application communication. This assistant integrates deeply with the operating system, offering higher system permissions than a single app [3] - The hardware for the AI assistant is provided by partner ZTE Nubia, with an engineering sample available for developers and interested users at a price of 3,499 yuan. The assistant's capabilities are expected to enhance usability for small-screen devices like AI glasses and TWS earphones, potentially leading to rapid growth in the edge hardware ecosystem [3] - The Consumer Electronics ETF (159732) tracks the Guozheng Consumer Electronics Index, primarily investing in 50 A-share listed companies involved in the consumer electronics industry, with significant focus on electronic manufacturing and optical optoelectronics [3]