A pattern day trader (PDT) is a regulatory designation for traders who execute four or more day trades over a five-business-day period in a margin account.

The diffusion of innovations theory describes a technique some companies use to develop a marketing strategy for new products and market share. These five steps apply.

Getting started with HackerRank can feel a bit daunting, but it’s really just about getting familiar with the site and picking the right problems to start with. Think of it like learning to ride a ...