① industry leader released the first domestic MCU based on Arm Cortex-M7 kernel. China's market is mainly occupied by overseas leaders. The company's products have entered the brand customer supply chain, and the hardware is also used in intelligent voice human-computer interaction scenarios. ② overseas mapping: Meta introduces artificial intelligence tools to improve the efficiency of this kind of business, the important node is close to the collective rise of such companies, which A-share related companies? ③ Taobao Tmall is set to usher in the biggest investment in history, with analysts predicting that online retail sales could increase by more than 2 trillion yuan in 2023, outpacing food and consumption for the first time since 2021.