Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Learn how Harry Markowitz's Modern Portfolio Theory transformed investment strategies by focusing on diversified portfolios ...

(Bloomberg) — Harry Markowitz, a Nobel Prize-winning economist who redefined money management by showing that diversification could reduce investment risk while maximizing returns, has died. He was 95 ...

Modern portfolio theory is designed to optimize return for a given level of variance across a spectrum of investment opportunities. The ability to monitor and optimize a portfolio gives rise to the ...