节后首日融资余额大增508亿元

Group 1 - The core viewpoint of the articles highlights the significant increase in margin financing in the Chinese stock market, reaching a historical high of 24,455.47 billion yuan as of October 9, 2023, with a notable increase of 508.04 billion yuan from the previous trading day [1] - The margin financing balance for the Shanghai Stock Exchange was 12,332.50 billion yuan, while the Shenzhen Stock Exchange had a balance of 11,884.31 billion yuan, and the Beijing Stock Exchange had 75.13 billion yuan [1] - Over the past decade, the growth of margin financing has been concentrated in the growth sectors represented by the ChiNext board, which saw a 389.3% increase in margin financing balance from 1,038.3 billion yuan in June 2015 to 5,080.57 billion yuan in September 2025 [1] Group 2 - The "9.24" market event is identified as a turning point for leveraged funds, with the ChiNext margin balance increasing by 145% in the year following the event, compared to a 65% increase for the CSI 300 index [2] - The stock of SMIC, which leads the financing balance on the STAR Market, reached a financing balance of 150.97 billion yuan as of October 9, 2023, accounting for 5.44% of its market capitalization [2] - Following the adjustment of margin financing rates to zero for stocks with a static P/E ratio above 300, several stocks, including SMIC, experienced significant declines on October 10, 2023 [2]