You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.

The simplest way to think about SCAN is that it applies a custom calculation to each element in a range/array and returns every intermediate result it produces along the way. If that sounds abstract, ...

Owning 5 mutual funds doesn’t make you diversified. It might just mean you’re betting 5 times on the same 10 stocks and you’ll discover it only when all of them crash together.