A股三大指数上涨，科创50指数涨幅扩大至超3%！海光信息涨近15%，寒武纪涨超7%，佰维存储、中芯国际涨幅居前

Group 1 - The core viewpoint is that the ChiNext 50 Index has seen an increase of over 3%, indicating positive market sentiment in the technology sector [1][2] - Among the constituent stocks, Haiguang Information has surged nearly 15%, while Cambrian has risen over 7%, highlighting strong performance in specific tech companies [1] - Other notable performers include Baiwei Storage and SMIC, which also showed significant gains, contributing to the overall positive trend in the index [1] Group 2 - The Shanghai Composite Index closed at 3826.94, up by 14.71 points or 0.39% [2] - The ChiNext Index reached 2961.39, increasing by 57.12 points or 1.97% [2] - The Shenzhen Component Index ended at 12706.33, with a rise of 148.65 points or 1.18% [2] - The ChiNext 50 Index closed at 1300.02, up by 40.93 points or 3.25% [2] - The CSI 300 Index finished at 4474.91, gaining 29.55 points or 0.66% [2] - The SSE 50 Index closed at 2944.02, with a slight increase of 4.43 points or 0.15% [2]