The good news for investors is that the odds of the Federal Reserve lowering interest rates in December have increased significantly in just one week.I won't argue that artificial intelligence (AI) stocks have not been overhyped in general -- they have been. Nor will I say that some of them are not significantly "overvalued" -- they are. (I put overvalued in quotes because there is no single definition for this word. It's pretty subjective.)AI-powered data analytics company Palantir (PLTR +0.89%) is experie ...