2004/07/28
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1492,       1559,        130,  775928709,  917941284,   18227550
  AMEX,        396,        382,         94,  123836620,  215582303,   10087625
NASDAQ,       1173,       1865,        143,  591856062, 1200355115,   20832234