( January 31, 2025, 3:36 PM EST) -- BOSTON — More than a week into a bench trial in an Employee Retirement Income Security Act suit primarily challenging the selection and retention of proprietary funds, the defendants on Jan. 30 moved in Massachusetts federal court to decertify the mandatory class as to one claim, saying in part that the named plaintiffs’ expert agreed that that claim “is unique to” a fund that is no longer proprietary “and different from the other claims he opines on.”...