EXCLUSIVE: The Biggest Risk To S&P 500's Historic Run Could Be One Number: 5%

The S&P 500 has spent much of the past year defying gravity. Despite sticky inflation, shifting Federal Reserve expectations and rising Treasury yields, stocks have continued to grind higher as investors bet on artificial intelligence, resilient earnings and a still-growing economy.
But according to exclusive comments shared by WisdomTree's Kevin Flanagan, one number may matter more than any other in the months ahead: 5% — the level on 10‑year Treasury yields that could send tremors through the stock market.
The Yield Threshold Wall Street Is Watching
Treasury yields have climbed steadily in recent weeks as investors reassessed the outlook for inflation and interest rates after the energy price shock from the Iran war fueled an acceleration in consumer-price increases.
The benchmark 10-yea