Group 1 - Major indices opened high and showed volatility, with noticeable rotation among sectors, particularly in commercial aerospace and AI applications [1] - The Big Data ETF (515400) rose over 2% as of 10:10 AM, aiming for a second consecutive increase, with leading stocks including Deepin Technology, Yonyou Network, China Great Wall, and China Software [1] - As of January 21, the Big Data ETF has seen a cumulative net inflow of 547 million yuan in January [2] Group 2 - NVIDIA's CEO Jensen Huang stated at the World Economic Forum in Davos that the AI industry, while appearing bubble-like, is not a bubble, and it is triggering a "platform-level transformation" with infrastructure investments expected to reach trillions of dollars [2] - OpenAI plans to launch advertising services for ChatGPT in early February, initially charging based on impressions and testing ads among free and low-cost subscription users [2] - The Big Data ETF closely tracks the CSI Big Data Industry Index, selecting 50 stocks from the Shanghai and Shenzhen markets related to big data sectors, with major holdings including iFlytek, Inspur, and Unisplendour [2]
AI应用端震荡反弹，大数据ETF（515400）盘中涨幅超 2%，本月累计“吸金”超5.4亿元
Mei Ri Jing Ji Xin Wen·2026-01-22 06:18