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

Norwegian CFO Mark Kempa's Key Insights on Cruising in 2019

Norwegian CFO Mark Kempa's Key Insights on Cruising in 2019

CES 2019: The Future Is Here and it's a Walking Car

CES 2019: The Future Is Here and it's a Walking Car

Takeda Pharmaceutical CEO Talks Big Pharma Trends

Takeda Pharmaceutical CEO Talks Big Pharma Trends

The Story Behind One of America's Biggest Banks - Wells Fargo

The Story Behind One of America's Biggest Banks - Wells Fargo

Financing History: How Citigroup Grew Into a Banking Powerhouse

Financing History: How Citigroup Grew Into a Banking Powerhouse