A thousand word essay!! Changxin goes public Why is the stage bearish for the US stock storage sector 1、 Industry logic: Financing expansion impacts supply and demand patterns, compresses profit margins Storage chips are strong cyclical heavy assets, and profitability depends on supply discipline. Changxin's IPO fundraising will heavily invest in the research and development of advanced processes such as DDR5 and HBM, as well as capacity expansion, directly breaking the weak balance of Samsung, Hynix, and Micron's "control of operating rates and price protection". In particular, the subsequent release of production capacity in Hefei will increase global effective supply and suppress the slope of contract price recovery. At the same time, as the largest DRAM manufacturer in China, Changxin has given priority to seizing Micron's market share in areas such as information technology and servers, forming a "demand pumping" that has closed the window of demand for US stock storage factories in China. With financing advantages, Changxin can tolerate low profit or even loss expansion, forcing price wars and delaying the industry's profit turning point, which is directly reflected in Micron's gross profit margin guidance and constitutes a fundamental bearish trend. 2、 Market funding logic: fund siphon and rebalancing Changxin's listing has created a scarce "Chinese storage flagship" chip. If included in indices such as the CSI 300, STAR Market 50, or MSCI China, passive funds will allocate mechanically, while global technology ETFs will correspondingly reduce their holdings in stocks such as Micron and Western Digital. Proactively managed funds, as Micron is the only pure DRAM target in the US stock market, can now switch to Changxin, which has a "high Beta, pure Chinese narrative". If there is a discount or growth premium in its valuation, it will trigger a paired transaction of "selling Micron and buying Changxin". In addition, large-scale IPOs lock in new capital, and fund managers may reduce their overall storage allocation to cope with liquidity, indirectly dragging down the US stock storage sector. 3、 Emotional logic: Technology independent narrative suppresses valuation premium Emotional reactions are the fastest. The successful IPO of Changxin has been interpreted as a milestone in breaking through the bottleneck, and the market's linear extrapolation will continue to erode the market share of the three giants. Long term fears will directly lower Micron's forward PE. Against the backdrop of the China US game, this has strengthened the expectation of "supply chain autonomy and controllability", raising concerns about permanent damage to Micron's revenue in China. Institutions have given "geopolitical discounts" and the valuation center has shifted downwards. Retail investors even compare it to "BOE in the panel industry", fearing that financing expansion will lead to a red ocean of storage, selling early, amplifying pessimistic sentiment on social media, and creating a wave of impact on stocks such as Micron. Summary: Changxin's IPO → Financing expansion breaks supply discipline (industry) → Global capital reallocation flows out of the US stock market (funds) → Domestic substitution narrative triggers valuation discounts and intimidation (emotions), and the resonance of the three forms a stage negative. The time window is concentrated between the expected fermentation of listing and the realization of production capacity, and the intensity is sufficient to disturb the entire sector. CXMT MAmericaNDK SKHY