CBOT last in market volume

The Chicago Board of Trade finds itself in an unaccustomedplace_last_in the March volume data issued by the city's threefutures and options markets. Meanwhile, the Chicago Board OptionsExchange was the busiest in the city for the seventh straight month.Volume at the CBOT, traditionally the city's largest, dipped 12percent in March from the same month last year to 20.52 millioncontracts. The CBOE's March volume was up 76 percent from a year agoto 35.18 million contracts. At the Chicago Mercantile Exchange, Marchtrading was up 14 percent to 22.37 million contracts. The CBOT andthe CBOE are discussing a merger.

Stock rewards Bank One CEO

Jamie Dimon, the new chief …