From http://www.bloomberg.com/news/articles/2015-04-07/u-s-dot-com-bubble-was-nothing-compared-to-today-s-china-prices http://www.bloomberg.com/news/articles/20

From http://www.bloomberg.com/news/articles/2015-04-07/u-s-dot-com-bubble-was-nothing-compared-to-today-s-china-prices http://www.bloomberg.com/news/articles/2015-04-07/u-s-dot-co... The use of margin debt to trade mainland shares has climbed to all-time highs, while investors are opening stock accounts at a record pace. More than two-thirds of new investors have never attended or graduated from high school, according to a survey by China’s Southwestern University of Finance and Economics.