Brendan McDermid/Reuters
- The US economy may be about to relive the "roaring '20s," according to Ed Yardeni.
- "We're in the early stages of a productivity growth boom," the veteran strategist told Bloomberg.
- His comments come with the economy expanding at a stronger-than-expected pace and the S&P 500 trading at an all-time high.
Veteran market strategist Ed Yardeni thinks the US economy might be about to relive the "roaring '20s".