Every few years, faced with a trough, they will retreat to developing countries as economic exiles, simultaneously diffusing knowledge globally, extending their native platform ecosystems, and recouping their own losses.
Ms Le's boss at Indochina Capital, Tung Kim Nguyen, a Vietnamese-American, reckons there is a bigger wave to come as older exiles return to spend their final years back in their homeland.
The actor has been at the center of a heated debate over tax exilesas France's Socialist government proposes a hefty tax on the rich, but he has denied that he accepted the passport to escape the tax man.