← Search Journal of Finance Vol. 32 No. 5 1977 Grouping Procedures for Portfolio Formation I. G. Morgan DOI10.2307/2326826 Volume32 Issue5 Pages1759 Sources semanticscholar crossref openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓