China Has Biggest One-Day Stock Crash Since 2007 [View all]
(Bloomberg) Chinas stocks tumbled, with the benchmark index falling the most since February 2007, amid concern a three-week rally sparked by unprecedented government intervention is unsustainable.

The Shanghai Composite Index plunged 8.5 percent to 3,725.56 at the close, with 75 stocks dropping for each one that rose. PetroChina Co., long considered a target of state-linked market support funds, tumbled by a record 9.6 percent. China Securities Finance Corp., a state-backed agency that provides margin financing and liquidity, hasnt exited the stock market, China Securities Regulatory Commission spokesman Zhang Xiaojun said in a statement after the close of trading.
Mondays retreat shattered the sense of calm that had fallen over mainland markets last week and raised questions over the viability of government efforts to prop up share prices as the economy slows. Chinas industrial profits fell 0.3 percent in June from a year earlier, the statistics bureau reported on Monday. The International Monetary Fund has urged China to eventually unwind its support measures, according to a person familiar with the matter.
Investors are afraid the Chinese government will withdraw supporting measures from the market, said Sam Chi Yung, a strategist at Delta Asia Securities Ltd. in Hong Kong. Once those disappear, the market cannot support itself. ...................(more)
http://www.bloomberg.com/news/articles/2015-07-27/chinese-stock-index-futures-drop-before-industrial-profits