Every thriving business relies on a robust return on investment (ROI) to help gauge whether its investments are yielding a profit. Although you as an individual investor possess shallower pockets than ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Yarilet Perez is an experienced multimedia ...

You don’t need a doctoral degree in finance to calculate your portfolio’s investment returns. A few principles are enough to turn even the most math-phobic people into shrewd investors. While basic ...