2004/07/16
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1548,       1484,        137,  602869841,  965308652,   11953240
  AMEX,        353,        424,         77,   42141210,  215923308,    5145150
NASDAQ,        914,       2089,        166,  254055226, 1493230651,   14792023