2004/07/21
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,        676,       2403,        108,  303832865, 1554086593,    7419050
  AMEX,        252,        562,         75,   15417020,  309105482,    2475250
NASDAQ,        738,       2305,        145,  391066687, 1691148051,   12530336