Kevin O'Leary
"Shark Tank" investor Kevin O'Leary.
  • Kevin O'Leary once again warned that the Federal Reserve's sharp interest-rate hikes could cause economic chaos.
  • The central bank has lifted borrowing costs from near-zero to 5.5% over the past 18 months.
  • The “Shark Tank” investor is worried about the impact that tightening campaign could have on small businesses.

Americans should start to brace for a severe downturn as the economy feels the full force of the Federal Reserve's aggressive tightening campaign, according to Kevin O'Leary.

Last week, the "Shark Tank" investor warned once again that the central bank's aggressive interest-rate hikes are likely to crush smaller businesses, who have seen borrowing costs soar over the past 18 months.