Core Viewpoint - Recent market fluctuations have led to significant rebounds in sectors such as computing power, PCB, and optical communication, driven by various factors including Oracle's substantial revenue growth and Nvidia's new GPU announcement [5][6][10]. Group 1: Market Rebound Factors - The rebound in the market is attributed to previous declines prompting investors to buy back in [5]. - Oracle reported a staggering 359% increase in its Remaining Performance Obligations (RPO), reaching $455 billion, indicating strong future revenue prospects [5][21]. - Nvidia announced the launch of a new GPU designed for large-scale context processing, which is expected to enhance computing capabilities [6]. Group 2: Sector-Specific Insights - Analyst Sun Xiaoya highlighted that the development of AI is driving demand for high-end PCB copper foil, suggesting that domestic manufacturers could benefit from industry growth [7]. - Citigroup expressed optimism about the optical communication sector, raising target prices for companies like Zhongji Xuchuang and Xinyi Communication to 569 RMB and 472 RMB respectively [8]. - Citigroup's analysis indicates that the recent rise in optical communication stocks is primarily driven by upward revisions in earnings forecasts rather than irrational valuation adjustments [9]. Group 3: Industry Demand Forecasts - Citigroup maintained its forecast for industry shipment volumes in 2026 while raising its demand estimates for 2027, projecting a year-on-year growth of 42% for 800G and 1.6T modules [10]. - The anticipated increase in AI investments by U.S. cloud service providers, expected to reach $600 billion by 2028, is likely to sustain demand for optical modules [10]. - Optimistic projections from Broadcom regarding ASIC growth and new customer orders further support the upward revision of demand forecasts [10]. Group 4: Economic Indicators - The recent CPI data showed a year-on-year decline of 0.4% in August, while the core CPI rose by 0.9%, indicating mixed inflationary pressures [15]. - The PPI's year-on-year decline narrowed to 2.9%, with upstream industries driving a month-on-month increase from -0.1% to 0.1% [18]. - Citigroup predicts that CPI readings may remain low in September but could rebound towards the end of the year, influenced by food prices, particularly pork [20].