Many artificial intelligence (AI) stocks are trading at historically high valuations, leaving few bargain opportunities in the market.When investors think about artificial intelligence (AI) stocks, Intel (INTC 6.25%) is not the first name that typically comes to mind. The spotlight often shines on companies like Nvidia, Advanced Micro Devices, and Palantir Technologies.Yet Intel trades at a price-to-sales (P/S) ratio of just 2.4 -- on the lower end of its 10-year range. In an era rife with expensive valuati ...