(CNBC) — U.S. stocks plunged nearly 2 percent or more on Monday with the Dow and S&P 500 wiping out gains for the year on escalating tensions between Greece and its creditors.
"I think the uncertainty around Greece is just making people skittish and we haven't had a meaningful pullback for some time," said Ben Pace, chief investment officer at HPM Partners. "It's hard for anybody to fight this uncertainty."
"It should be a reasonably isolated situation but we don't know that for sure," he said.
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