A股三大股指涨跌互现，黄金、有色金属板块掀涨停潮

Market Performance - The three major A-share indices opened higher on January 28, with the Shanghai Composite Index rising by 0.27% to 4151.24 points, while the ChiNext Index fell by 0.57% to 3323.56 points [2] - A total of 1736 stocks rose, while 3637 stocks fell, with a trading volume of 29,654 billion yuan, an increase of 705 billion yuan from the previous trading day [3] Sector Performance - The gold and non-ferrous metal sectors experienced a surge, with over 30 stocks hitting the daily limit or rising more than 10%, including companies like Xiaocheng Technology and Haotong Technology [5] - The oil and gas sector also performed well, with stocks such as Tongyuan Petroleum and Zhongman Petroleum seeing significant gains [5] - Conversely, the pharmaceutical and biotechnology sectors saw declines, with stocks like Bibete and Baipusais falling over 10% [5] Investment Insights - Dongwu Securities noted a rebound in the Shanghai 50 Index after a series of declines, suggesting a potential for further upward movement if trading volume supports it [7] - Financial institutions like CICC and Ping An Fund expect the A-share market to maintain a "steady progress" trend, with a shift in market drivers from valuation expansion to profit improvement anticipated in 2026 [8][9] - The overall net profit growth for non-financial A-share companies is projected to accelerate to 15.6% in 2026, driven by economic recovery and improved capacity utilization [9]