Stocks wavered in uncertain trading on Wall Street, but major indexes are on track to notch weekly gains. The S&P 500 edged higher Friday. The Dow Jones Industrial Average rose and the Nasdaq fell. Technology stocks were the biggest drags on the broader market. Markets were closed on Thursday for the Thanksgiving holiday and will close at 1 p.m. Eastern Friday. Long-term bond yields edged higher. Crude oil prices remained steady. Global shares were mixed amid worries about China’s lockdowns and restrictions to curb the spread of coronavirus infections.