Fifteen years, one month and thirteen days. That's how long it took the Nasdaq composite index to close above the record it set at the apex of the dot-com bubble. The Nasdaq rose 20.89 points, or 0.4 percent, to 5,056.06, above the record of 5,048.62 it set on March 10, 2000. In many ways, the crossing of that threshold is purely ...
