电子周跟踪：存储行业复苏信号持续放大，华为PuraX阔折叠正式发布

Investment Rating - The report maintains an investment rating of "Leading the Market-A" for the electronic industry [1]. Core Insights - The overall market experienced a decline during the week of March 17-21, 2025, with the Shanghai Composite Index falling by 1.60%, Shenzhen Component Index by 2.65%, and the ChiNext Index by 3.34%. The semiconductor sector also saw a drop, with the Shenwan Electronics Index down by 4.09% and the Wind Semiconductor Index down by 3.96% [12][24]. - Despite the overall market downturn, there are signs of recovery in the storage market, driven by national subsidies and demand for AI applications. NAND flash prices are expected to rise due to production cuts by major manufacturers [6][5]. - The report highlights significant individual stock performances, with Ocean King (+39.70%), Gylon Electronics (+24.96%), and Gongda Electronics (+19.95%) showing notable gains, while Huiwei Intelligent (-23.02%) and Furi Electronics (-19.52%) faced significant losses [24][6]. Market Overview - The market indices showed a general decline, with the major indices experiencing varying degrees of loss. The Philadelphia Semiconductor Index decreased by 0.89%, while the Taiwan Semiconductor Index increased by 1.76% during the same period [12]. - In the sub-sectors, electronic chemicals, optical optoelectronics, and discrete devices were among the worst performers, with declines of 2.89% and 3.55% respectively [12][15]. Data Tracking - The report includes data on the monthly sales and growth rates of the global semiconductor market, indicating a 26% year-on-year increase in the wafer foundry industry revenue in Q4 2024, driven by strong AI demand [30][59]. - The NAND flash market is expected to see price increases starting April 2025, as major manufacturers like Micron, Samsung, and SK Hynix announce price hikes due to supply constraints [3][6]. Industry News - Major industry news includes the launch of NVIDIA's new Blackwell Ultra GPU and Huawei's release of the Pura X foldable phone, which signifies advancements in AI and consumer electronics [3][5]. - The report notes that the demand for advanced packaging remains strong, with TSMC focusing on capacity expansion to alleviate market concerns regarding production and order adjustments [5][6].