沪指12连阳！

Market Performance - The A-share market opened positively on January 5, 2026, with the ChiNext Index leading the gains, and the Shanghai Composite Index returning above 4000 points, recording twelve consecutive days of gains [1] - By the close, the Shanghai Composite Index rose by 1.38%, the Shenzhen Component Index increased by 2.24%, and the ChiNext Index surged by 2.85% [1] - The total trading volume across the three markets reached 25,672 billion yuan, an increase of 5,015 billion yuan compared to the previous day, with over 4,100 stocks rising [1] Sector Highlights - The brain-computer interface sector led the market, with over thirty constituent stocks hitting the daily limit, including Sanbo Brain Science, Meihao Medical, and Innovation Medical [1] - The insurance sector experienced significant gains, with Xinhua Insurance and China Pacific Insurance reaching new historical highs [1] - The commercial aerospace concept remained active, with companies like Reco Defense achieving four consecutive limit-ups and China Satellite Communications securing three limit-ups in five days [1] - The semiconductor industry chain showed strength, with stocks such as Yaxiang Integration and Shenghui Integration hitting the daily limit [1] - The AI application concept also performed well, with BlueFocus Media achieving two consecutive limit-ups [1] Declines - The Hainan Free Trade Zone concept saw a collective decline, with Hainan Development hitting the daily limit down [2]