The artificial intelligence (AI) story shows no signs of cooling, creating big opportunities for top AI stocks to buy.For one, according to Grand View Research, the global AI boom could grow from about $137 billion in 2022 to more than $1.81 trillion by 2030.Two, companies like Microsoft (NASDAQ:MSFT) and Amazon (NASDAQ:AMZN) have reportedly earmarked $40 billion for investments in AI-related and data center projects all over the world. Alphabet (NASDAQ:GOOG, NASDAQ:GOOGL) says it will spend over $100 billi ...