午评：创业板指跌近1%，石油、电力等板块走低，军工板块上扬

Market Overview - The three major stock indices experienced a downward trend, with the Shanghai Composite Index testing the 4100-point support level and the ChiNext Index declining nearly 1% [1] - As of the midday close, the Shanghai Composite Index fell by 0.7% to 4105.04 points, the Shenzhen Component Index decreased by 0.67%, and the ChiNext Index dropped by 0.96%, while the Northbound 50 Index rose by 0.86% [1] - The total trading volume across the Shanghai, Shenzhen, and Northbound markets was approximately 1.21 trillion yuan [1] Sector Performance - Sectors such as oil, building materials, steel, insurance, electricity, and non-ferrous metals saw declines, while military, semiconductor sectors, storage chips, photolithography machines, and military trade concepts were active [1] Investor Sentiment - Dongguan Securities noted that with the Spring Festival approaching, investor sentiment is becoming more cautious, leading to a decrease in trading activity and a potential phase of consolidation with reduced volume [1] - Short-term vigilance is advised regarding possible market fluctuations and profit-taking pressures [1] - Investors are encouraged to maintain rationality, avoid blind chasing of highs or panic selling, and manage positions with a balanced allocation strategy [1] - Focus should be on core assets with solid fundamentals and high profit certainty, as well as growth sectors experiencing improved conditions [1]