Is the hype justified? That's a question investors must ask often when the next new thing fuels frenzied buying and pushes select stocks to all-time highs. We're seeing this play out in front of our eyes right now with artificial intelligence (AI). In some cases, hype about the AI potential for some companies has gone beyond reasonable levels. But that isn't true across the board. Here are three top AI stocks to buy hand over fist in April. 1. Alphabet Could Alphabet (GOOG 0.21%) (GOOGL 0.04%) be an AI unde ...