It is not only the credibility of the Chinese Communist Party rulers that is at stake. It is also their continued hold on power.
The market suspended trading in all symbols.
Apple's stock market value ballooned this week beyond $700 billion, more than Switzerland's gross domestic product.
The makers of the likes of Farmville and Candy Crush saga are seen as a dubious investment.
A fund holds stocks and assets that fund manager Thomas Herzfeld believes would benefit from an eventual end to the U.S. economic embargo against Cuba.
Samaras needs the backing of 25 more lawmakers to finalise terms for early exit from the bailout
A cyber espionage ring attacked more than 100 firms, most of them pharmaceutical and healthcare companies, to get insider information.
Global stocks are mixed while consumer confidence numbers drag down the U.S. dollar.
Twitter Inc posted a disappointing 7 percent slide in a closely watched measure of engagement even though its user base grew 23 percent in the third quarter, triggering a more than 9 percent decline in its stock on Monday.