The market is getting expensive, but these AI winners still trade at very buyable prices. The stock market remains on an upward trajectory, and the major market indexes are at all-time highs as investors continue piling into the leading technology companies. What's the cause? Look no further than artificial intelligence (AI). Companies are pouring billions of dollars into AI infrastructure, laying the groundwork for what experts believe will be a multitrillion-dollar AI industry down the road. It's importan ...