Investors may be unable to handle the volatility in 2018 after unusually low volatility in 2017. But the current levels of volatility are actually pretty normal.

"This year's pretty typical," said Michael Hanson, SVP of Fisher Investments. "The unfortunate truth is being a stock investor means the payment you make is largely psychological. Volatility is what you pay for longterm gains, and actually, this is a pretty typical year as volatility goes. Last year, it was atypical."

Hanson was a panelist on TheStreet's recent "Wealth Management" panel. To watch the entire hour-long panel discussion, click here