20090519 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 1855, 1219, 89, 736568000, 588006000, 17469000, 10, 5 AMEX, 311, 230, 56, 9046000, 6792000, 1883000, 16, 0 NASDAQ, 1368, 1337, 162, 1355013000, 718514000, 22157000, 29, 4