(CNBC) — U.S. stocks closed lower on Monday, ending three consecutive days of gains as investors remained cautious ahead of earnings season. (Tweet This)
"There's not a single catalyst," said Art Hogan, chief market strategist at Wunderlich Securities. "I think we have pre-game jitters ahead of earnings reports."
First quarter earnings season officially kicks off on Tuesday with blue chips JPMorgan reporting before the bell and Intel after the close.
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"It will be very interesting to listen to the companies on where they see the economy and how they are handling the current situation," said Paul Nolte, portfolio manager at Kingsview Asset Management.