KEY POINTS
  • "If you are a long-term investor, I would wait," economist Mohamed El-Erian said Monday.
  • El-Erian first warned against buying stock declines last month as the coronavirus was spreading around the globe.
  • "If you're a short-term tactical investor, there's a lot of opportunities out there," he said.

Mohamed El-Erian, chief economic advisor at Allianz, said Monday that most investors should avoid buying stocks after last week's dramatic coronavirus-fueled sell-off. 

"If you are a long-term investor, I would wait. I think fundamentals are going to deteriorate even faster. I think the policies and fundamentals are going to go in favor of bad fundamentals, unfortunately, initially," El-Erian said on "Squawk Box."