When Jon Najarian embarked on a career in the world of market making, he went from playing with the Bears to running with the Bulls. In this chronicle of his evolution, the former starting middle linebacker for the Chicago Bears focuses on his key ingredient for market success - learning to control risk. The role of the market maker is to make a market in stocks and options by providing the public with the service of buying their sales and selling their purchases. The market maker essentially facilitates the entire market process between the various groups in the global equities and options...