Market Overview - The A-share market experienced a day of volatility, with the Shanghai Composite Index falling by 0.97% and closing below 4000 points, while the Shenzhen Component Index and the ChiNext Index dropped by 1.93% and 2.82% respectively [1][2] - The total trading volume in the Shanghai and Shenzhen markets was 1.96 trillion yuan, a decrease of 85.3 billion yuan compared to the previous trading day [1] Sector Performance - The market saw over 3300 stocks decline, indicating a broad-based sell-off [3] - The lithium battery sector continued its strong performance, with stocks like Fujian Holdings (002083) achieving a seven-day limit-up and Shida Shenghua (603026) hitting a three-day limit-up [3] - The gas sector also showed resilience, with Shouhua Gas (300483) reaching a 20% limit-up [3] - Conversely, the computing hardware sector faced a collective pullback, and the CPO concept stocks experienced fluctuations [3] Memory Chip Sector - The memory chip sector faced significant declines, with stocks such as Tongyou Technology (300302) and Baiwei Storage dropping over 10% [5] - The memory index fell by 5.93%, closing at 3527.86 points [6] Regional Highlights - The Hainan Free Trade Zone is set to officially launch its full island closure operation on December 18, 2025, which is expected to enhance regional economic development and industrial upgrades [7][9] - The new policies will expand the range of zero-tariff goods from 1900 to approximately 6600 items, covering about 74% of products, and will optimize tax policies to reduce costs for enterprises [7][9]
沪指失守4000点,存储器大回调,多股跌超9%,海南、福建板块大爆发