Artificial intelligence (AI) stocks have soared over the past few years, driving gains in the S&P 500, and the momentum has continued this year -- to a certain degree. Many of these players continue to advance, but the path has involved downs as well as ups. The reason for this choppy performance? Tech giants are spending heavily on an AI infrastructure build-out, and some investors worry that the revenue opportunity may fall short of expectations. If companies find themselves with too much capacity on their hands, earnings might suffer -- and stock performance could follow. On top of this, general economic uncertainty, from rising inflation to turmoil in Iran, has weighed on the market at certain moments this year. This week, however, one uncertainty lifted: The midterm elections took place, so we now know who will serve in Congress for the second half of President Donald Trump's term.
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