jamie dimon
JPMorgan CEO Jamie Dimon.
  • Investors should be very cautious, two leading Wall Street CEOs warned on recent earnings calls.
  • JPMorgan's Jamie Dimon cautioned the boost to portfolios from public policy wouldn't last.
  • Goldman Sachs' David Solomon flagged US-China, Russia-Ukraine, and Israel-Hamas clashes as risks.

Two Wall Street heavyweights have urged investors to be careful as they navigate a morass of economic and geopolitical threats.

"I think you have to be very cautious," JPMorgan CEO Jamie Dimon said on the bank's third-quarter earnings call Friday, according to a transcript provided by AlphaSense/Sentieo.

The billionaire banker noted that historic amounts of fiscal and monetary stimulus have boosted asset prices and corporate profits in recent years, but warned the uplift won't last forever.