2004/07/20
Market,  AdvIssues, DeclIssues, UnchIssues,     AdvVol,    DeclVol,    UnchVol
  NYSE,       1840,       1197,        145, 1078081439,  487026153,   29884150
  AMEX,        411,        375,         83,  234145796,   38439269,    3722650
NASDAQ,       2078,        983,        147, 1383964218,  245141730,   24140745