Stocks are in a sweet spot but bears still fear a bubble is near bursting. Here's what 5 forecasters are saying about a potential crash.

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• Stocks have been on a tear but there are still bears sounding alarms of a bubble about to pop. 
• Bearish forecasters predict a crash as lofty valuations come back down to earth. 
• S ome big-name investors say stocks are flashing a number of warnings that a sharp pullback is near. 

Stocks just keep climbing in 2024, but the bears haven't been silenced and some are warning that the market is in a bubble on the verge of bursting.

Fears...