How Major US Stock Indexes Fared Dec. 21

Several strong profit reports helped Wall Street claw back most of its sharp loss from the prior day. The S&P 500 rose 1 percent Thursday and is back within 1 percent of its all-time high a day after its worst drop in nearly three months. The Dow Jones Industrial Average gained 0.9 percent, and the Nasdaq composite climbed 1.3 percent. Micron Technology leaped to one of the market’s biggest gains after reporting stronger results than expected. Treasury yields were mixed following a suite of economic reports, including one showing the U.S. economy grew by less during the summer than earlier estimated. On Thursday: The S&P 500 rose…