The American Federation of Teachers (AFT) has updated its ‘Watch List’ of asset managers that it says have ties to groups that attack workers’ defined benefit pension plans. It claims that the first list published last April has already had an impact and that several Wall Street firms have cut ties with groups to avoid being added to the AFT list. AFT looks for ties to anti defined-benefit groups “In addition to the primary economic considerations, pension trustees also may take into account certain collateral factors, such as a manager’s position on collective bargaining, privatization or proposals to discontinue providing…