Christopher Gray walked away with the exact deal he wanted for his scholarship app Scholly in 2015 — but his pitch sparked a fiery argument that ended with three Sharks walking off set ...

There was already blood in the water.

Some "Shark Tank" arguments end with a founder walking away without a deal. This one ended with a billionaire throwing water at another billionaire — and somehow the meditation app pitch became one of ...

Recently, Cuban revealed how his portfolio of "Shark Tank" investments has done, so we did some digging to see if you could capitalize on his wisdom, as well.