Key Takeaways Palantir's Q3 revenue soared 63% year over year to $1.18B, surpassing Wall Street expectations.U.S. commercial sales surged 121%, driving maximum growth and prompting higher full-year guidance.Despite profit gains, Palantir's steep 290.32 P/E and U.S. focus raise valuation and concentration risks.Banking on the boom in artificial intelligence (AI), tech behemoths such as NVIDIA Corporation (NVDA) , Alphabet Inc. (GOOGL) and Amazon.com Inc. (AMZN) , to name a few, have seen substantial expansio ...