20080501 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2237, 947, 63, 1065942000, 321491000, 8608000, 67, 31 AMEX, 654, 517, 108, 15890000, 13752000, 1968000, 17, 38 NASDAQ, 1982, 916, 130, 1867404000, 427899000, 19991000, 46, 47