市场震荡拉升，沪指高开高走，创业板指、深成指均涨近1%

Market Performance - The market experienced a significant rally with the Shanghai Composite Index opening high and closing up by 0.53%, while the Shenzhen Component and ChiNext Index rose by 0.88% and 0.77% respectively [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.88 trillion yuan, a decrease of 19.6 billion yuan compared to the previous trading day [1] Sector Highlights - The commercial aerospace sector saw a strong performance with over 20 stocks hitting the daily limit, including Shenjian Co. with five consecutive limit-ups and Guoji Precision Engineering with three limit-ups in four days [1] - The computing hardware concept also surged, with Huanxu Electronics achieving three limit-ups in six days and Yintang Intelligent Control hitting the limit-up at 20% [1] - The Fujian sector showed strength, highlighted by Anji Food with four limit-ups in seven days and Hexing Packaging with three consecutive limit-ups [1] - The PCB sector experienced a rapid increase, with Shengyi Technology hitting the limit-up and reaching a historical high [1] Declining Sectors - The precious metals, insurance, and dairy sectors faced declines, with the dairy concept experiencing a collective adjustment, notably with Zhuangyuan Pasture hitting the daily limit down [1]