[Margin Trading Balance Increases by 1.859 Billion Yuan in Shanghai and Shenzhen Stock Exchanges] As of February 27, the margin trading balance of the Shanghai Stock Exchange was 1,340.873 billion yuan, an increase of 916 million yuan from the previous trading day; the margin trading balance of the Shenzhen Stock Exchange was 1,302.382 billion yuan, an increase of 943 million yuan from the previous trading day; the total margin trading balance of the two exchanges was 2,643.255 billion yuan, an increase of 1.859 billion yuan from the previous trading day.