[U.S. Stocks Open High and Close Higher, Major Indexes All End in Gains] Reported by Jinse Finance, on September 22, U.S. stocks opened high and closed higher, with all three major indexes ending in gains. The Nasdaq rose 2.26%, the S&P 500 increased by 1.49%, and the Dow Jones climbed 0.71%. Semiconductor and chip stocks surged, with ARM up over 17%, Intel up over 12%, Meta up more than 11%, and AMD and Qualcomm both rising over 9%. Among them, AMD hit a new all-time high, with its market value surpassing $1 trillion for the first time, becoming the fourth U.S. chip company to join the 'Trillion-Dollar Club.'