午评：沪指跌1.3%，汽车、石油等板块走低，稀土概念逆市活跃

Market Overview - Major stock indices in the two markets declined, with the Shanghai Composite Index dropping over 1% and the ChiNext Index falling by 3%, resulting in over 4500 stocks in the market showing losses [1] - As of the midday close, the Shanghai Composite Index fell by 1.3% to 3846.25 points, the Shenzhen Component Index decreased by 2.56%, and the ChiNext Index dropped by 3%, with a total transaction volume of 15.909 billion yuan in the Shanghai and Shenzhen markets [1] Sector Performance - Sectors such as automobiles, home appliances, oil, pharmaceuticals, securities, and insurance experienced declines, while the banking sector rose against the trend [1] - Active sectors included rare earths, seed industry stocks, military trade concepts, photolithography machines, and industrial software concepts [1] Investment Strategy - Current investment strategies focus on three structural themes: resource security, corporate globalization, and technological competition [2] - Opportunities are expected to increase in traditional cyclical sectors due to a slowdown in global capital expenditure and China's efforts to reduce internal competition, with leading companies maintaining profitability despite a sluggish industrial demand environment [2] - The emphasis is on upstream resource sectors, particularly non-ferrous metals, while attention should also be given to the midstream chemical sector [2]