20070731
Market, AdvIssues, DecIssues, UncIssues,      AdvVol,     DeclVol,     UnchVol,   NewHis,  NewLows
  NYSE,      1410,      1938,        87,   499496000,  1701092000,    12394000,       35,      236
  AMEX,       593,       650,        85,    22002000,    34330000,      977000,       18,      207
NASDAQ,      1215,      1808,       112,   872633000,  1905974000,    41059000,       54,      256