"Amid a heavy market selloff, 203 mainland-China-traded companies announced separately Tuesday that trading in their shares had been suspended.
This brought the total number of shares in trading halt over the past seven days to 651, or about 23% of the entire pool of 2,808 listed stocks, the Securities Daily reported Tuesday."
http://www.marketwatch.com/story/over-20-of-listed-china-stocks-now-in-trading-halt-2015-07-07-181035534
