午评：沪指涨0.49%，石油、半导体等板块拉升，黄金概念活跃

Core Viewpoint - The A-share market is experiencing fluctuations, with over 3,500 stocks in the red, while the Shanghai Composite Index shows a slight increase, indicating a mixed market sentiment [1] Market Performance - As of the midday close, the Shanghai Composite Index rose by 0.49%, and the Shenzhen Component Index increased by 0.09%. In contrast, the ChiNext Index fell by 0.37%, and the STAR Market 50 Index decreased by 0.73% [1] - The total trading volume across the Shanghai, Shenzhen, and Beijing markets reached approximately 1.93 trillion yuan [1] Sector Analysis - The pharmaceutical, automotive, and retail sectors experienced declines, while the oil, non-ferrous metals, coal, semiconductor, and brokerage sectors saw gains. Additionally, gold and disperse dye concepts were active [1] Investment Strategy - Dongguan Securities suggests that short-term indices may continue to fluctuate around moving averages, with an accelerated rotation of sectors. However, the spring market for A-shares is expected to continue, primarily characterized by structural trends [1] - Recommended investment strategies include balanced allocation, focusing on undervalued assets with stable earnings, technology sectors leading new productivity, and domestic demand expansion under the backdrop of a strong domestic market [1]