Nvidia(US:NVDA) GOLDEN SUN SECURITIES·2025-09-29 10:13Group 1: Technology Stock Volatility - The A-share technology sector experienced significant volatility influenced by overseas market performance and industry events, with a notable partnership between OpenAI and Lixun Precision, and Nvidia's announcement of a potential investment of up to $100 billion in OpenAI, leading to a rise in the Nasdaq index [1][13] - The latter part of the week saw a shift to a risk-off sentiment, with macroeconomic concerns raised by Powell regarding the overvaluation of US stocks and the risk of a government shutdown, alongside investor worries about the "ONO" alliance potentially leading to a bubble [1][3][15] - The "ONO" alliance, which creates a closed loop of large models, cloud infrastructure, and computing chips, raises questions about OpenAI's profitability, with projections indicating a loss exceeding $5 billion in 2025, highlighting the uncertainty in monetizing AI applications [3][14] Group 2: A-share Technology Sector Indicators - The A-share technology TMT sector entered an overheated zone in August, but has since shown signs of digestion, with sentiment indicators indicating reduced short-term trading risks [4][20] - Forward PE (FY2) estimates for the technology TMT sector are expected to rise, stabilizing at a higher level by the end of September 2024, with a second increase anticipated by August 2025, indicating ongoing upward momentum but with uncertainty regarding the sustainability of this trend [4][20] Group 3: Market Performance and Policy Events - The A-share market maintained a high-level fluctuation, with the Shanghai Composite Index staying above 3,800 points and daily trading volumes exceeding 2 trillion yuan, reflecting a cautious sentiment ahead of the National Day holiday [6][26] - The technology sector led gains, particularly in semiconductor equipment, influenced by strong earnings from Changchuan Technology, while financial sectors showed signs of stabilization after previous declines [6][35] - The performance of the A-share indices varied, with the Sci-Tech 50 and ChiNext Index showing notable increases, while the Northbound 50 and CSI 2000 lagged behind [6][29]