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In the world of Wall Street, 60 years is an eternity. So when a concept like modern portfolio theory remains one of the most popular and successful investing strategies 66 years after it was first ...

Investing can often feel like navigating a maze of endless options and ever-shifting market conditions. This is where the Modern Portfolio Theory (MPT) comes in, offering a roadmap for making smarter ...

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 ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over 35 years of diverse ...

Investing can be complicated with many moving parts, but modern portfolio theory (MPT) is a valuable tool to piece them together efficiently. If you've ever wondered how to construct a well-balanced ...