The explosion of interest in artificial intelligence (AI) has caused the valuations of many tech stocks to skyrocket. Palantir Technologies (NYSE:PLTR), for example, trades at more than 170x forward earnings, Tesla (NASDAQ:TSLA) goes for 184x, and CrowdStrike (NASDAQ:CRWD) trades at 111x. These multiples reflect high expectations for AI-driven growth, but they also raise questions about … These Are the 3 Cheapest Big Tech AI Stocks: Time to Buy?