Perpetual bull Brian Belski said Monday he would not be surprised if European stocks outperformed U.S. equities this year, but the outcome may arrive on the back of a faulty investment strategy.

Investors are piling into European markets as the European Central Bank continues to buy up billions of dollars of bonds each month in a bid to spur economic growth. But the chief investment strategist at BMO Capital Markets said European companies are not as fundamentally strong as U.S. companies were when the Federal Reserve first embarked on quantitative easing years ago.