Rome wasn't built in a day, and the AI revolution will take years to come to fruition.Market watchers were beginning to think that nothing could stop the bull market rally, driven by excitement about the possibilities of artificial intelligence (AI). The past couple of weeks has been a stark reminder of the market's tendency for occasional declines before heading higher.For example, after reaching new heights earlier this month, the Nasdaq Composite has fallen about 7% from its peak (as of market close on F ...