Shrimping

The subject of this article: exists in the Forrest Gump novel canon (including Gump & Co.) exists in the Forrest Gump film canon exists in real life (see Wikipedia article: Shrimping)

While in Vietnam, Bubba introduces Forrest Gump to the world of shrimping, and convinces him to start a shrimping business together. When Bubba dies, Forrest enters the businessman anyway, and becomes a massive success.