KEY POINTS
  • "The economic expansion and the bull market are old," Howard Marks tells CNBC's Wilfred Frost.
  • There's a lot of uncertainty in the world and it strikes me that one should not have as much risk as one did three years ago or six years ago," he says.
  • Still, Marks thinks the current bull market can rise further as the U.S. economy is, to some extent, "the envy of the world."
Howard Marks, Co-Chairman, Oaktree Capital 

Investors should take some risk off the table in 2020 given some of the challenges the market faces, billionaire investor Howard Marks said on Tuesday.

"The economic expansion and the bull market are old," Marks told CNBC's Wilfred Frost. "Valuations are above average. There's a lot of uncertainty in the world and it strikes me that one should not have as much risk as one did three years ago or six years ago."