Bubbles and Crashes
			
			
			
			
				介绍
			
			
				
    -     Company X introduced a revolutionary wireless communication technology.
 
    - It not only provided support for such a technology but also provided the informational content itself.
 
    - It’s IPO price was $1.50 per share. Six years later it was traded at $ 85.50 and in the seventh year it hit $ 114.00.
 
    - The P/E ratio got as high as 73.
 
    - The company never paid dividends.
 
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