Eight years ago today, on March 10, 2000, the Nasdaq closed at 5,048.62, an all-time high. Then the bubble burst, Marketwatch notes. By October 2002, the Nasdaq was down to 1,114.11, a 78 percent drop in less than three painful years. In fact, we're still not over it. Check out the chart. The Nasdaq today stands 56 percent lower than 2000's bubbly high-water mark.