Which of the Following Best Describes Portfolio Management

Which of the following best describes portfolio management?

A) The management of a marketplace in which stocks, bonds, and other financial instruments are traded
B) A procedure used to settle disputes between a brokerage firm and its clients, which makes a final and usually binding decision on the matter
C) The management of an agency of the federal government that regulates the disclosure of information about securities and generally oversees the operation of the securities exchanges and markets
D) The process of creation of a document that is made available to prospective security buyers that describes the firm and a new security issue
E) The buying, selling, and holding of various securities in order to meet a set of predetermined investment needs and objectives