Mutual-fund companies have been introducing an alphabet soup of share classes or expanding the use of existing share classes to help financial advisers comply with the landmark rule. So, this is a good time to sort out the related terminology, old and new, and the share classes such as A, R, T, Z and “clean shares,” that are growing up around the rule or being disrupted by it.

...nearly 75% of plans audited by the Department of Labor (DOL) were either fined, received penalties or had to make reimbursements for errors.  If your 401K plan were audited today, would it pass muster?  Or, would your company face steep fines and possible criminal indictment?