Many active investors model stock price movements in order to better understand how they might move. Here's how to do it, step by step.

Boolean logic: The method used to evaluate conditions, returning either TRUE or FALSE. Logical functions: The primary logical functions in Excel that enable you to apply Boolean logic are AND, OR, XOR ...

TEXTBEFORE and TEXTAFTER are a few more of my favorite Excel functions to clean messy spreadsheets. Excel's newer text ...