Artificial intelligence is set to power each of these stocks moving forward.Tech stocks led the market in the first half of 2024, and there is no reason they can't continue leading the market into the future. Artificial intelligence (AI) appears to be a game changer that should help power the sector higher in the years to come.Let's look at three tech stocks to buy this year and beyond.1. NvidiaNo company has benefited more from the increased interest in AI than Nvidia (NVDA -6.62%), whose graphic processin ...