KEY POINTS
  • Berkshire Hathaway's Warren Buffett told CNBC that while the U.S. economy still looks healthy, it isn't as robust as it was even half a year ago.
  • Buffett added that a number of Berkshire's businesses were feeling an impact from the coronavirus, which now threatens to disrupt the global economy.
  • "We own 5.6% of Apple and the company came out and said that [the virus is] affecting not only its stores but all kinds of things, supply chains," he said.

Billionaire Warren Buffett said Monday that while the U.S. economy still looks healthy, it isn't as robust as it was even half a year ago thanks to headwinds like the Trump administration's trade war and the burgeoning coronavirus.

"It's strong, but a little softer than it was six months ago, but that's over a broad range," Buffett told CNBC's Becky Quick in a "Squawk Box" interview. "You look at car holdings —rail-car holdings, moving goods around. And there again, that was affected by the tariffs, too, because people front-ended purchases, all kinds of things."