The stock market indexes recently made new all-time highs. A resilient economy, interest rates that should trend down, enthusiasm for an expected corporate-friendly incoming administration, enthusiasm for artificial intelligence (AI), and high-flying tech stocks like Nvidia and Microsoft all play a role in this bull market.Investors should exercise some caution at these levels. Remember that 2021 euphoria quickly turned to dread in 2022. There are pockets of the market that resemble 2021 now. For instance, ...