[Margin Trading Balance Decreases by 56.585 Billion Yuan in Shanghai and Shenzhen Stock Exchanges] As of February 13, the margin trading balance of the Shanghai Stock Exchange was 1,300.667 billion yuan, a decrease of 29.781 billion yuan from the previous trading day; the margin trading balance of the Shenzhen Stock Exchange was 1,263.345 billion yuan, a decrease of 26.804 billion yuan from the previous trading day; the total margin trading balance of the two exchanges was 2,564.012 billion yuan, a decrease of 56.585 billion yuan from the previous trading day.