SoundHound AI (SOUN -2.33%) is a popular AI stock pick, primarily because it's a pure-play AI stock. There aren't many investments out there that solely offer AI solutions, but SoundHound AI is laser-focused on improving and marketing its audio recognition AI technology. Currently, the stock trades for around $10, so if it were to rise to$100, it would deliver 10 times returns. Any stock that rises 10 times in value in a decade is an excellent investment, and investors would be wise to scoop up shares now ...