Core Viewpoint - The recent surge in small-cap stocks has drawn market attention, with the CSI 2000 index reaching a record high in trading volume proportion, while the CSI 300 index has seen a significant decline [1] Group 1: Market Performance - As of May 22, the CSI 2000 index accounted for 33.37% of the trading volume in the Shanghai and Shenzhen markets, marking a historical peak [1] - In contrast, the CSI 300 index's trading volume proportion fell to 17.67%, the lowest since November 2023 [1] - The average market capitalization of CSI 300 constituent stocks is 191.86 billion yuan, while that of CSI 2000 is only 4.98 billion yuan [1] Group 2: Historical Context - Historical data shows that on November 24, 2023, the CSI 300 index's trading volume proportion dropped to 16.92%, while the CSI 2000 index was at 32.76%, indicating a similar divergence in trading activity [1] - After reaching a peak of 2513.13 points, the CSI 2000 index adjusted down to a low of 1503.44 points [1] - In February 2021, the trading volume proportion of the CSI 300 index peaked at 46.19%, coinciding with its historical high of 5930.91 points [1]