NASDAQ down 2.2%, S&P500 down 1.6% 21-Sep-21 04:59 am AnalysisAnalysis, US Market Anirudh Sethi Those the ‘unofficial’ declines on the session.Running scared on the back of Evergrande ‘contagion’ is the big story.Dow -1.7%.S&P having its biggest tumble is a couple of months. Since mid_july. NAS its biggest drop since May.