20071221 Market, AdvIssues, DecIssues, UncIssues, AdvVol, DeclVol, UnchVol, NewHis, NewLows NYSE, 2471, 838, 74, 1879970000, 303750000, 54620000, 103, 175 AMEX, 826, 446, 94, 49402000, 12398000, 1759000, 29, 66 NASDAQ, 2107, 919, 118, 1979383000, 530804000, 22906000, 98, 122