沪指半日跌0.03% 光刻机板块涨幅居前

Market Overview - As of September 19, the Shanghai Composite Index fell by 0.03%, while the Shenzhen Component Index rose by 0.32% and the ChiNext Index increased by 0.16% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.49 trillion yuan [1] Sector Performance - Energy metals, photolithography machines, and film and television sectors showed the highest gains [1] - Conversely, sectors such as robotics, automotive parts, and paper manufacturing experienced the largest declines [1]