Written By Millionaire’s Digest Team Member: Eric Bruin
Founder & Owner of: The Stock Trader Blog
Millionaire’s Digest Team, Contributor, Books, Business, Education, Entrepreneur, Politics and Successful Living Writer
Modern portfolio theory, even with its limitations, has significantly helped investors accomplish their financial goals for the past 65 years. Harry Markowitz, the father of MPT, helped more people become millionaires than nearly anyone else in the history of finance (I know of only two other people who contributed more). For investors of all ages, diversification is now a requirement for sound investment. Whether you have a 401k, IRA, pension plan, or brokerage account, your diversified investment positions are likely going to change over the next year due to movements in the overall market.