A股突变，超4100股上涨

Market Overview - On October 15, the A-share market experienced a significant rally, with the Shanghai Composite Index rising over 1% and the ChiNext Index increasing over 2%, leading to more than 4,100 stocks advancing [1][2]. Index Performance - The Shanghai Composite Index closed at 3,909.41, up by 44.19 points, representing a 1.14% increase [2]. - The Shenzhen Component Index reached 13,117.33, gaining 222.23 points, or 1.72% [2]. - The ChiNext Index ended at 3,028.07, up by 72.09 points, marking a 2.44% rise [2]. Trading Volume and Market Capitalization - The total trading volume was 1.59 billion hands, with a total market capitalization of 17.16 trillion [3]. Sector Performance - Key sectors such as electric equipment, automotive, electronics, and pharmaceuticals saw substantial gains [5]. - The electric equipment sector surged, with stocks like HeShun Electric and JinPan Technology hitting the daily limit of 20% increase [6][7]. - The automotive sector also experienced a wave of limit-up stocks, including MeiLi Technology and BoHai Automotive [8]. Notable Stocks - In the electric equipment sector, HeShun Electric rose by 20.04% to 13.18, while JinPan Technology increased by 20% to 69.41 [7]. - In the automotive sector, MeiLi Technology surged by 20% to 34.02, and BoHai Automotive rose by 10.07% to 6.12 [8].