20070321 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2749, 580, 126, 1481238000, 143091000, 7704000, 247, 20 AMEX, 820, 334, 90, 50961000, 12973000, 3230000, 60, 39 NASDAQ, 2255, 764, 143, 1950589000, 269150000, 30407000, 108, 48