20090402 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2728, 410, 47, 1703016000, 158754000, 4509000, 12, 2 AMEX, 389, 167, 81, 8926000, 5464000, 1751000, 7, 4 NASDAQ, 2194, 588, 119, 2392595000, 363169000, 22327000, 25, 6