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- US stocks have enjoyed a breakneck rally this year, but not everyone's so optimistic about it.
- Some think the rally is a red flag to investors, and others predict dire crashes for stocks.
- Here's six bearish views on the sizzling rally in equities, from Warren Buffett to David Rosenberg.
US stocks have been on a roll this year thanks to the AI frenzy – but not everyone thinks it's a good thing.
From Warren Buffett to David Rosenberg, there's a chorus of market commentators throwing cold water on the fiery stock rally.