A candlestick depicts the battle between Bulls (buyers) and Bears (sellers) over a given period of time. 1  An analogy to this battle can be made between two football teams, which we can also call the Bulls and the Bears.
1. check stub-the part of a check that is retained as a record. counterfoil, stub. record-anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events; the film provided a valuable record of stage techniques.
To use stubs, you have to write your component so that it uses only interfaces, not classes, to refer to other parts of the application. This is a good design practice because it makes changes in one part less likely to require changes in another. For testing, it allows you to substitute a stub for a real component.