The artificial intelligence (AI) market will have a significant impact on economic productivity and growth. It is a ripe field to find long-term winners, but as with any new technology, there will be winners and losers. A simple criteria to stack the odds in your favor is to invest in AI leaders that are turning a profit and generating loads of free cash flow from operations. Two that come top to mind are AI chip leader Nvidia (NVDA 0.12%) and Google parent Alphabet (GOOG 0.21%) (GOOGL 0.04%). There are pro ...