The China Shanghai Composite Index experienced a notable increase of 1.29% today, contributing to a robust 2.49% rise over the past 30 days. This upward momentum reflects a strong performance across various market capitalizations, with a significant advance-decline ratio of 9.42x, indicating that 4,474 stocks advanced compared to 475 that declined. In the large-cap segment, Wuxi Autowell Technology Co., Ltd. emerged as the standout performer, achieving a return of 20%. Conversely, Baiyin Nonferrous Metal (Group) Co. Ltd. faced challenges, recording a decline of 10%. The mid-cap sector saw Wuxi DK Electronic Materials Co., Ltd. also delivering a 20% return, while Konka Group Co., Ltd. struggled with a drop of 10.04%. Small-cap stocks followed a similar trend, with Henan Carve Electronics Technology Co., Ltd. gaining 20.01%, while Anhui Genuine New Materials Co. Ltd. faced a decline of 10.04%. The advance-decline ratios for large, mid, and small-cap stocks were 8.66x, 9.61x, and 10.12x, respectively, underscoring a generally positive market sentiment.