The deal , which could be completed as soon as tomorrow , would be a coup for Merrill Lynch and a disappointment for John J. Mack , the chief executive of Morgan Stanley , who just weeks ago had pursued a similar agreement with BlackRock and its chief executive , Laurence D. Fink .
John J. Mack /business/person/company Morgan Stanley
Laurence D. Fink /business/person/company BlackRock
DT NN , WDT MD VB VBN RB RB IN NN , MD VB DT NN IN NNP NNP CC DT NN IN NNP NNP NNP , DT JJ NN IN NNP NNP , WP RB NNS IN VBD VBN DT JJ NN IN NNP CC PRP$ JJ NN , NNP NNP NNP .
John J. Mack
PERSON
Morgan Stanley
ORGANIZATION
/business/person/company
Laurence D. Fink
PERSON
BlackRock
ORGANIZATION
/business/person/company