(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 ...

Nobel laureate Harry M. Markowitz, the economist whose work in modern portfolio theory gave birth to the field of quantitative finance, has died at age 95. Mr. Markowitz, who died June 22, won the ...