The 3 grueling exams are just the first step to becoming a CFA charter holder -- here's what else you have to do

Flickr / Oscar Rethwill On Saturday, more than 170,000 Wall Streeters are expected to write Levels I, II, and III of the Chartered Financial Analyst exam. The six-hour exams are notoriously tough, and writing them, in the words of Kurt Schacht, a managing director at the CFA Institute, is "frustrating." "It's grueling. It's rigorous. It's confounding," Schacht told Business Insider last year. "Some people take it multiple times to get through the various levels." Fewer than 50% of test-takers p...