Market Overview - On August 29, the Shanghai Composite Index rose by 0.37%, with the total margin trading balance reaching 22,613.49 billion yuan, an increase of 174.21 billion yuan from the previous trading day [1] - The margin trading balance in the Shanghai market was 11,519.36 billion yuan, up by 86.73 billion yuan, while the Shenzhen market's balance was 11,020.41 billion yuan, increasing by 87.62 billion yuan [1] Industry Analysis - Among the industries tracked by Shenwan, 20 sectors saw an increase in margin trading balances, with the electronics sector leading with an increase of 48.09 billion yuan, followed by the communication and power equipment sectors, which increased by 29.93 billion yuan and 22.72 billion yuan, respectively [1] Stock Performance - A total of 1,729 stocks experienced an increase in margin trading balances, accounting for 46.49% of the total, with 430 stocks seeing an increase of over 5% [1] - The stock with the largest increase in margin trading balance was Tongdahai, which saw a balance of 1.19 billion yuan, up by 76.63%, and its stock price rose by 20.01% [1] - Other notable stocks with significant increases in margin trading balances included Qudongli and Tianming Technology, with increases of 50.80% and 47.70%, respectively [1] Top Gainers and Losers - Among the top 20 stocks with the largest increases in margin trading balances, the average increase in stock prices was 4.13%, with Tongdahai, Keda Control, and Baijishenzhou leading with increases of 20.01%, 14.94%, and 12.55%, respectively [2] - Conversely, the stocks with the largest declines in margin trading balances included Qianjin Technology, which saw a decrease of 31.21%, and other stocks like Dingjia Precision and Hengshuai Co., which decreased by 30.09% and 28.98%, respectively [5]