Some of the brightest minds in finance are sounding the alarm about a stock market bubble.
They aren’t warning of an imminent crash, but their comments should remind investors that the current bull market — over five years long — can’t last forever.
1. Nobel Prize-winning economist Robert Shiller: Valuations at “worrisome” levels.
2. Hedge fund king Carl Icahn believes there’s a bubble.
3. Ex-Treasury secretary Robert Rubin: Low rates could spark another financial crisis.