[Margin Trading Balance Decreases by 29.669 Billion Yuan in Shanghai and Shenzhen Stock Exchanges] As of August 19, the margin trading balance of the Shanghai Stock Exchange was 1,353.656 billion yuan, a decrease of 13.611 billion yuan from the previous trading day; the margin trading balance of the Shenzhen Stock Exchange was 1,279.191 billion yuan, a decrease of 16.058 billion yuan from the previous trading day; the total margin trading balance of the two exchanges was 2,632.847 billion yuan, a decrease of 29.669 billion yuan from the previous trading day.