Why stock market pictures always include guys shouting with telephones?

Doesn't the stock market operate electronically now? What's the point of these brokers and why are they still on all of the pictures, when the news reads smth like "S&P rises/drops on the back of smth"

Submitted May 17, 2016 at 03:00AM by akaskar http://ift.tt/1OztLEg