Ge Long Hui·2025-09-12 01:59Group 1 - The CPO concept stocks in the A-share market experienced a collective decline, with Tianfu Communication, Xinyi Sheng, and Shijia Photon dropping over 6% [1] - Morgan Stanley believes that the positive fundamentals of the optical module industry have been fully reflected in stock prices, leading to rating adjustments for several related stocks [2] - Morgan Stanley downgraded Xinyi Sheng to "underweight," indicating a significant change in ratings, and warned of a potential slowdown in growth rates after a 338% year-on-year performance increase in Q2 2025 [2] Group 2 - The report highlights that despite the positive outlook for AI infrastructure demand, the current level of market enthusiasm is unlikely to be sustained [2] - Investors are advised to take a disciplined approach and gradually realize profits in light of the combined fundamental and valuation analysis [2]