Market indicators signaling 'investor greed is present and thus caution is warranted,' MKM says

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Investors need to tread softly as the market could be setting up for a sharp pullback, MKM Partners' JC O'Hara said in a note.

O'Hara, the firm's chief market technician, highlighted several factors making him cautious following the market's massive run-up from the coronavirus pandemic lows. Since March 23, the S&P 500 has rallied more than 40%.