In "The Simpsons, " Cartwright not only voices Bart, but other characters including Nelson Muntz, Ralph Wiggum and Todd Flanders.

CNN: Celebrities get animated about voice work

Ralph Nelson Elliott, the architect of the Elliott Wave Principle, suggested that at least one wave in a five-wave sequence is likely to be an extended wave.

FORBES: Elliott Waves Show Wipeout Dead Ahead For British Pound

Expert analysts such as Ralph Losey (see below), Craig Ball, Chris Dale, Sharon Nelson and John Simek, Maura Grossman and Professor Gordon Cormack, as well as dozens of other industry household names, have also contributed.

FORBES: Six Savvy Law & Technology Resources