A preliminary injunction, granted Thursday by a federal judge, puts the implementation of the Labor Department's controversial new Retirement Security Rule, set to take effect September 23, on hold until further order of the court.

Bernie Sanders' committee voted 20-1 to investigate the hospital company and 16-4 for the subpoena.

The purpose would be to use financial planning training as a vehicle to highlight all the benefits the company provides to employees, like health care, parental leave and tuition reimbursement.

Rep. Nick Langworthy asked about duty of care at a committee hearing featuring three top PBM executives.