About the only certainty in the stock market is that, over the long haul, overperformance turns into underperformance and vice versa. Is there a pattern to this movement? Let's apply some simple ...

The first step in running regression analysis in Excel is to double-check that the free plugin Data Analysis ToolPak is installed. This plugin makes calculating a range of statistics very easy. It is ...

Trend lines are a type of regression analysis, which is a way to study the relationships between variables. In the context of small business, trend lines are often used to show sales trends and can be ...

About the only certainty in the stock market is that, over the long haul, over-performance turns into under-performance, and vice-versa. Is there a pattern to this movement? Let's apply some simple ...

Richard Russell, an exceptionally well-regarded Dow Theorist, explained that a stock market can do absolutely anything over short periods of time. Yet, over longer periods, the greatest certainty is ...