Group 1 - The core viewpoint of the articles highlights the ongoing activity in the storage chip sector, driven by market reactions to Micron Technology's decision to cease supplying server chips to Chinese data centers, which is seen as a confirmation of the existing supply shortage in the industry [1][2] - The stock performance of companies such as Sanfo Technology, Wanrun Technology, and Tian'ao Electronics, which have seen significant gains, indicates a bullish sentiment in the storage sector following the news [1] - The exit of Micron is perceived as having limited impact on China's storage market, as local suppliers like Samsung, SK Hynix, and domestic firms such as Yangtze Memory Technologies and Changxin Memory Technologies dominate the landscape [1] Group 2 - From a macro perspective, the Micron incident reflects a long-term trend of supply chain differentiation in the context of the trade technology war, extending from high-end GPU sectors to storage and server domains [2] - The ongoing restrictions on AI chip and manufacturing equipment exports by the Trump administration are pushing China to support local suppliers for self-sufficiency, which is crucial for the storage industry's growth [2] - The overall demand in the storage sector is being driven by the global AI infrastructure construction wave, leading to a persistent supply shortage exacerbated by trade frictions [2]