Keep an eye on European stocks, which may outperform U.S. stocks in 2018, according to TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer.

Cramer's charitable trust, Action Alerts PLUS, owns the ishaws MSCI Eurozone ETF (EZU) .

More from Video

Jim Cramer on Why McDonald's Is a Safe Haven in a Volatile Market

Jim Cramer on Why McDonald's Is a Safe Haven in a Volatile Market

'Canada Is a Sovereign State of Goodness,' Says Jim Cramer

'Canada Is a Sovereign State of Goodness,' Says Jim Cramer

Should You Stay Away From Tech ETFs? Why Jim Cramer Is Sticking to Stocks

Should You Stay Away From Tech ETFs? Why Jim Cramer Is Sticking to Stocks

The Tech Effect: Jim Cramer's Play When the Market's Volatile

The Tech Effect: Jim Cramer's Play When the Market's Volatile

Breaking Up Is So Hard to Do: A Brexit Timeline

Breaking Up Is So Hard to Do: A Brexit Timeline