By John Towfighi, CNN New York (CNN) — Wall Street wants more proof that Big Tech’s enormous spending on artificial intelligence will pay off. The largest US tech companies are on a spending spree to try and get ahead in the AI race. Amazon (AMZN), Alphabet (GOOG), Meta (META) and Microsoft (MSFT) continue to spends The post Big Tech’s massive spending is back in focus on Wall Street appeared first on KTVZ.