BEIJING — A total of 3.9-trillion-yuan (about $554.67 billion) worth of bonds were issued in July, down from 4 trillion yuan in June, the central bank said on Aug 16.

The bonds included 358.45 billion yuan of treasuries, 555.94 billion yuan of local government bonds, 623.57 billion yuan of financial bonds, 763.45 billion yuan of corporate bonds, 124 billion yuan of asset-backed securities, and 1.4 trillion yuan of interbank certificates of deposit, according to a statement on the website of the People's Bank of China.

The interbank bond market saw 19.1 trillion yuan in spot transactions last month, with daily average transactions reaching 828.79 billion yuan, or a year-on-year increase of 31.5 percent.

Daily transactions of the Shanghai Stock Exchange reached 174.1 billion yuan in July, down 14.42 percent month-on-month, while the Shenzhen bourse saw average daily transactions down 12.88 percent from a month earlier to 224.1 billion yuan.