2 1 Shi Ji Jing Ji Bao Dao·2025-09-30 04:07Market Overview - As of September 30, the Shanghai Composite Index rose by 0.40%, the Shenzhen Component Index increased by 0.31%, and the ChiNext Index saw a slight rise of 0.06%. The STAR Market 50 Index surged by 2% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.37 trillion yuan, an increase of 76.1 billion yuan compared to the previous trading day, with nearly 3,000 stocks rising across the market [1] Storage Chip Sector - The storage chip sector experienced significant gains, with stocks like Jiangbolong (301308) rising by 20% and several others increasing by over 10% [2] - Major storage manufacturers, including SanDisk, Micron, Samsung, and Western Digital, have announced price increases since September, leading to a ripple effect in the downstream market as module manufacturers ramp up inventory [3][4] - Adata announced it would stop quoting DDR4 prices and prioritize supply of DDR5 and NAND flash to major clients, while Phison has resumed some pricing with a 10% increase [3][4] AI and Semiconductor Sector - The AI sector saw a collective rise, with stocks like Dahong Technology hitting the daily limit up of 20%, and others like Kaipu Cloud and Tuolisi rising over 5% [4] - The launch of DeepSeek-V3.2-Exp has led to a significant reduction in service costs, with API prices dropping by over 50%, prompting several domestic chip manufacturers to adapt to the new model [5][6] - Analysts from Huaxin Securities noted that the domestic AI chip industry is entering a new era, with a complete industrial chain from advanced processes to model acceleration being established [6][7] Gold Market - On September 30, spot gold prices reached a new high of $3,860 per ounce, marking a 0.72% increase for the day [11] - Domestic gold jewelry prices have also risen, with brands like Chow Sang Sang and Luk Fook reporting prices of 1,125 yuan per gram, an increase of 14 yuan from the previous day [13] - Analysts from Guohai Securities indicated that the long-term trend of gold prices is influenced by the strength of the US dollar and inflation expectations, with current conditions favoring gold due to potential stagflation [13]