Running Of The Bull Market

The shenanigans continue!  We're not sure if this was pledging-related or just a regular Wharton display of blowing off some steam.

Our tipster reports: "This was in my advanced negotiations class.  Best part? They burst in singing, and everyone falls silent. As soon as they leave, no one comments, and we picked up right where we left off. No laughter. Like it never happened.  That's Wharton for you"