Behind the 8% plunge in China's stock market – CNBC.com

Chinese stocks plunged Monday after the country’s securities regulator rapped three major brokerages for continuing to lend money for stock purchases in violation of rules. As punishment for extending so called “margin trading” contracts, the brokerages are forbidden to offer credit to new customers for three months.How much did shares fall?At one point Monday, the Shanghai Composite Index was down […]