CHICAGO - J.P. Morgan Chase & Co. has completed its $58 billion purchase of Bank One Corp., forming the nation's second-largest bank with more than $1 trillion in assets, company officials announced Thursday. J.P.

CHICAGO - J.P. Morgan Chase & Co. has completed its $58 billion purchase of Bank One Corp., forming the nation's second-largest bank with more than $1 trillion in assets, company officials announced Thursday. J.P.

J.P. Morgan Chase & Co. and Bank One Corp. announced Wednesday that they are merging in a $58 billion deal that will create the second-largest U.S. banking company. The merged company, to retain the J.P.

The wave of consolidation in the U.S. financial services industry has given birth to another mega-bank - and the new team of J.P. Morgan Chase & Co. and Bank One Corp. already is talking about getting bigger.

The wave of consolidation in the U.S. financial services industry has given birth to another mega-bank - and the new team of J.P. Morgan Chase & Co. and Bank One Corp. already is talking about getting bigger.