market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B485 E 40 41000 2601 10/2/96 10:59:00 41000 4 38 B480 E 40 478015 2760 10/2/96 10:57:00 478015 8 8 B202 E 40 58000 2601 10/2/96 10:58:00 58000 36 11 B451 F 40 275001 2601 10/2/96 10:59:00 206250 36 15 B353 E 40 19000 2601 10/2/96 10:58:00 19000 36 17