 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 Soutel, New York. The nation's housing market sell slump dragging on into its third straight year is evidenced by another weak spring home buying season. More on these stories at townhall.com.