Market Overview - On May 7, the Shanghai Composite Index rose by 0.80%, with the total margin trading balance reaching 1,808.746 billion yuan, an increase of 7.402 billion yuan from the previous trading day [1] - The margin trading balance in the Shanghai market was 919.064 billion yuan, up by 3.047 billion yuan; in the Shenzhen market, it was 884.493 billion yuan, up by 4.291 billion yuan; and in the Beijing Stock Exchange, it was 5.189 billion yuan, up by 0.065 billion yuan [1] Industry Analysis - Among the industries tracked by Shenwan, 16 sectors saw an increase in margin trading balances, with the non-bank financial sector leading with an increase of 1.761 billion yuan, followed by the computer and defense industries with increases of 1.507 billion yuan and 1.263 billion yuan, respectively [1] Stock Performance - A total of 1,896 stocks experienced an increase in margin trading balances, accounting for 51.66% of the total, with 363 stocks seeing an increase of over 5% [1] - The stock with the largest increase in margin trading balance was Zhongheng Electric, which had a latest balance of 100.3126 million yuan, reflecting an increase of 87.28% from the previous trading day, and its stock price rose by 1.69% [1] - Other notable stocks with significant increases in margin trading balances included Rishidongfang and Huiwei Intelligent, with increases of 69.89% and 58.51%, 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 5.42%, with notable gainers including Tongyi Aerospace, Daye Co., and Huiwei Intelligent, which saw increases of 25.11%, 20.01%, and 14.01%, respectively [2] - Conversely, the stocks with the largest declines included Chunguang Intelligent, Aima Technology, and Daimai Co., with declines of 5.59%, 3.87%, and 2.93%, respectively [2] Margin Trading Balance Declines - In contrast to the stocks with increased margin trading balances, 1,774 stocks saw a decrease, with 226 stocks experiencing declines of over 5% [4] - The stock with the largest decline in margin trading balance was Xiexin Nengke, with a latest balance of 45.24795 million yuan, reflecting a decrease of 37.65% from the previous trading day [5] - Other stocks with significant declines included Oukang Pharmaceutical and Hengxing Technology, with decreases of 29.99% and 27.74%, respectively [5]