US stock averages post session declines. Weekly losses: #Dow -2.8% #SPX500 -2.4% #NASDAQ -2.6% as #COVID19 cases rise across the US.  Week ahead: June #jobs report on Thursday, Testimony before House Financial Services by Powell, Mnuchin on #pandemic response, US #IndependenceDay https://t.co/i0gGGAmhc3