Mario Tama/Getty ImagesFrom the roaring stock markets of the 1920s to the high-tech trading floors of today, Wall Street’s ...

Jared Dillian, a former Wall Street trader, rates 12 banking and trading scenes in movies and TV, such as "The Wolf of Wall Street," for realism.

All of this might sound like a Wall Street issue that lives and dies on trading floors. But a couple of recent developments provide reason to believe that the back-and-forth is about to boil over ...