The two stock exchanges on the Chinese mainland chalked up a combined trading volume of 2.56 trillion yuan (332.5 billion U.S. dollars) in January, more than seven times the year-earlier level, sources with the China Securities Regulatory Commission (CSRC) said on Thursday.

The total included 1.7 trillion yuan (220.8 billion U.S. dollars) registered at Shanghai bourse, up 675.24 percent, and 83.6 billion yuan (10.9 billion U.S. dollars) at Shenzhen bourse, up 522.81 percent.

The sources said Shanghai's A-shares realized an average P/E (price/earning) ratio of 38.36 times in January, as against the year-earlier level at 33.38 times, while Shenzhen's A-shares had their P/E ratio rise from 33.61 times to 39.91 times.

Source: Xinhua