芯片巨头，“20cm”涨停！A股，全线爆发！

Core Viewpoint - The A-share market has experienced a significant surge, with the ChiNext Index surpassing 3000 points for the first time in over three years, and the STAR 50 Index showing a remarkable increase of over 5% during the trading session [1][10][4]. A-share Market Performance - The A-share market indices showed an overall upward trend on September 11, with major indices rising to varying degrees, particularly the STAR 50 Index and the ChiNext Index [3]. - The ChiNext Index achieved a breakthrough above 3000 points, marking a new high in nearly three years [10]. - The STAR 50 Index recorded its largest intraday gain since September, exceeding 5% [4]. Key Stocks and Sectors - Key stocks within the STAR market, such as Haiguang Information, saw a significant increase, hitting a "20cm" limit up and reaching a historical high price of 220.84 yuan, with a total market capitalization exceeding 510 billion yuan [6]. - Another major stock, Cambricon Technologies, surged with an intraday increase of over 10%, while SMIC also saw a rise of over 8% [9]. - In terms of sector performance, the telecommunications sector experienced a substantial rise of over 6%, the electronics sector increased by over 5%, and the computer sector rose by over 3% [12].