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Correlation, or lack of correlation, is an important factor in portfolio construction. A portfolio constructed of two assets that have...

From 12/31/71 through 1/31/17 the monthly return and standard deviation, of the S&P 500 was 0.94% and 4.38%. Monthly return is not...

Investment portfolios have risk. Downturns occur periodically. Companies grow and mature. Some companies whither and die. Statistics...

A normal distribution, or bell curve, fairly accurately models the monthly returns for the S&P 500 (see blog post: Are S&P 500 Returns...

Does a normal distribution, or bell curve, accurately model returns for the S&P 500? Below are plots of 47 years or return data sorted by...

In many natural processes, random variation conforms to a particular probability distribution known as the normal (Gaussian) distribution...

Nothing is definite, the best thought out plans may falter, but you need a plan and you need confidence in the plan. Understanding the...

The investment universe offers a lot of possibilities. The goal is to construct a portfolio which meets the investors requirements for...

Investment is the action of purchasing something today, called an asset, with the goal of having it increase in value over time such that...

Here is an initial plan to get yourself into the best position to make your retirement a success: 1) Pay Off High Interest Debt. Good...