沪指，逼近4000点！中际旭创首次突破500元关口创新高，成交额超130亿元

Group 1 - The A-share market experienced a strong performance on October 27, with major indices rising significantly, including the ChiNext Index which surged over 2% and the Shanghai Composite Index approaching the 4000-point mark, reaching a new high for the year [1] - As of the report, the Shanghai Composite Index increased by 0.78%, the Shenzhen Component Index rose by 0.77%, and the ChiNext Index gained 0.84% [1] Group 2 - Zhongji Xuchuang's stock price has historically surpassed the 500 yuan mark for the first time, with a reported increase of 3.08%, reaching 509.22 yuan per share and a trading volume of 13.5 billion yuan [3]