20090417 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2046, 1027, 91, 1147608000, 783199000, 11851000, 6, 3 AMEX, 325, 222, 55, 6026000, 7187000, 1114000, 2, 1 NASDAQ, 1704, 1069, 142, 1574568000, 808164000, 18117000, 24, 1