 Specialty glassware maker Corning surged after raising its sales forecast. Traders are looking ahead to several earnings reports this week, including updates from Delta Airlines on Thursday and J.P. Morgan City Group in Wells Fargo on Friday. Federal Reserve Chair Jerome Powell addresses Congress on Tuesday and Wednesday. Treasury yields were stable in the bond market. Seth Suttel, New York. The Surgeon General has said there's a loneliness epidemic in America. And for many people, that includes a lack of friendships at work.