Stock market volatility was virtually nonexistent in 2017, but that could change in 2018, as political uncertainty arises from the midterm elections in November.
"I think the midterms are going to cause considerable angst on Wall Street especially if we start to see the Democrats picking up some steam in the summer," said TheStreet's CEO David Callaway.
Still, strategists are largely optimistic on equities in 2018.
"Looking ahead to 2018, we remain bullish," said John Eade, CEO of Argus Research, pointing to the favorable backdrop for stock investing, which includes low interest rates and strong earnings growth.
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