U.S. Dot-Com Bubble Was Nothing Compared to China's

``The world-beating surge in Chinese technology stocks is making the heady days of the dot-com bubble look tame by comparison. The industry is leading gains in China's $6.9 trillion stock market, sending valuations to an average 220 times reported profits, the most expensive level among global peers. When the Nasdaq Composite Index peaked in March 2000, technology companies in the U.S. had a mean price-to-earnings ratio of 156''