Markets are in for a 'real bruising' because 'everyone thinks they're smarter than Warren Buffett' Jim Cramer says after Wall Street's brutal sell-off

· CNBC Mad Money host Jim Cramer said investors who try to outsmart Warren Buffett are "in for a real bruising."
· Warren Buffett dumped his shares in the big 4 airline stocks in April, but they have surged in recent weeks, leading many to question whether the famed investor had got it wrong.
· Markets tanked on Thursday...