John J. Mack named two top executives to be co-presidents of Morgan Stanley yesterday in a long-awaited move aimed at clarifying what had been a murky operating environment at the investment bank .
John J. Mack /business/person/company Morgan Stanley
NNP NNP NNP VBD CD JJ NNS TO VB NNS IN NNP NNP NN IN DT JJ NN VBN IN VBG WP VBD VBN DT JJ NN NN IN DT NN NN .