20080721 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2052, 1143, 77, 628893000, 558169000, 13060000, 19, 61 AMEX, 679, 495, 95, 15308000, 8803000, 627000, 11, 33 NASDAQ, 1614, 1255, 145, 874137000, 875509000, 64863000, 29, 44