20080415 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 1877, 1273, 96, 783789000, 417966000, 30950000, 77, 79 AMEX, 617, 564, 102, 13984000, 8019000, 1613000, 26, 27 NASDAQ, 1559, 1327, 172, 1044941000, 765207000, 22001000, 13, 147