JP Morgan shares plunge, as investors react to the bank's surprise $2 billion loss, and word that securities regulators have begun reviewing the bank. Summer Jobs: at one of the country's top schools, finding the perfect internship can be harder than understanding advanced accounting. New York Correspondent Suzanne Pratt reports. Could fear be fogging investors' decisions? That's what Eaton Vance's Duncan Richardson thinks. He's this week's "Market Monitor" guest. When it comes to selling a product or service, some of the best sales reps might not work for the company. Author and educator Lou Heckler explains in this week's "Lou's Been Thinking."