市场分析：军工资源行业领涨 A股宽幅震荡

Market Overview - The A-share market experienced a wide fluctuation on March 21, 2025, with the Shanghai Composite Index encountering resistance around 3414 points before retreating in the afternoon [3][7] - The Shanghai Composite Index closed at 3364.83 points, down 1.29%, while the Shenzhen Component Index fell 1.76% to 10687.55 points [8][14] - Key sectors showing positive performance included shipbuilding, mining, wind power equipment, and traditional Chinese medicine, while sectors like electric machinery, consumer electronics, auto parts, and semiconductors underperformed [3][7] Future Market Outlook and Investment Recommendations - The average price-to-earnings ratios for the Shanghai Composite and ChiNext indices are currently at 14.47 times and 38.41 times, respectively, indicating a suitable environment for medium to long-term investments [3][14] - The total trading volume on March 21 was 15802 billion, above the median of the past three years, suggesting robust market activity [3][14] - Continued counter-cyclical policy adjustments, fiscal stimulus, and monetary easing are expected to support the market, with a focus on technology innovation, consumer recovery, and green economy initiatives [3][14] - The upcoming peak reporting season from March to April will significantly influence market confidence, with a need to be cautious of stocks that may not meet earnings expectations [3][14] - Short-term investment preferences are shifting towards defensive sectors, with high-dividend assets performing steadily, while technology growth sectors face valuation pressures [3][14] - Future market trends are anticipated to feature technology leadership, defensive dividends, consumer recovery, and domestic demand-driven growth, with recommendations to seize structural opportunities while balancing defense and growth [3][14] - Short-term investment opportunities are suggested in sectors such as military industry, wind power equipment, coal, and oil [3][14]