All three major U.S. stock market indexes rose Monday afternoon, following an earlier selloff sparked by long-dated Treasury yields surpassing the 5% mark after the financial ratings agency Moody’s downgraded the U.S. government’s credit rating late last week, citing rising debt and interest payment ratios.

U.S. stocks finished near the unchanged mark on Monday with market sentiment weakened by the downgrade of the federal government's perfect sovereign credit rating owing to its huge debt profile. Moody's slashed the U.