2011/04/20 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2527, 516, 107, 739450000, 221254000, 7057000, 198, 19 AMEX, 328, 140, 31, 14124000, 2594864, 621000, 22, 5 NASDAQ, 2015, 634, 94, 1753662717, 329813000, 10996087, 133, 29