Vivian Tu’s simple investing formula encourages people to adjust their portfolios over time to better balance growth and ...

Let’s keep things simple – this is basic math. Nothing scary. Just everyday calculations, a bit of geometry, some number patterns, and the kind of stuff you definitely learned in school at some point.

We believe the math of common stock investing is pretty simple. When you buy a stock without leverage, you can only lose your original investment. Your gains can be unlimited over the longest term ...