If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Microsoft Excel 2007 supports a variety of chart types to create a combination chart and help your viewers see the differences between two or more data series. For example, one data series in a line ...

Traders often rely on Japanese candlestick charts to observe the price action of financial assets. Candlestick graphs give twice as much information as a standard line chart. They also allow you to ...

Stella Osoba is the Senior Editor of trading and investing at Investopedia. She co-founded and chaired Women in Technical Analysis. She has 15+ years of experience as a financial writer and technical ...