zentilia/Getty Images; Jenny Chang-Rodriguez/BIWall Street is looking for a return on its billions of dollars of investment in AI.Investors are hunting for successful companies as the AI industry becomes more competitive.These 13 early AI winners have the highest profit growth potential, according to Moody's.With firms having invested billions of dollars into AI, Wall Street is antsy for a return on its investment.As time passes, investors expect concrete monetization cases for the technology across the AI value chain.Unfortunately, not all AI investments will pay off, according to Moody's.