A股，重大突破！时隔10年，3800点！

Group 1 - The Shanghai Composite Index has broken the 3800-point mark for the first time in 10 years, reaching a high of 3811.43 points on August 19, 2015 [1] - Other indices, including the Shenzhen Component Index, also saw upward movement, with the Shenzhen Component Index rising over 1% in the afternoon [2] - The STAR 50 Index experienced a significant surge, with an intraday increase approaching 8% [3] Group 2 - Multiple sectors accelerated their gains in the afternoon, with the electronics sector rising nearly 5%, the telecommunications sector increasing close to 4%, and the computer sector gaining almost 3% [4]