U.S. markets experienced a sharp sell-off as rising Treasury yields and fears of ballooning national debt spooked investors. With the S&P 500 and Dow Jones falling, the economic outlook looks grim as the Trump tax bill could worsen the fiscal situation.
Stock futures fell sharply after Moody's downgraded the U.S. credit rating, raising concerns over the economy and potential impacts on bond prices. Investors are on high alert as speeches from Fed officials loom.