The Department of Labor’s fiduciary rule was set to disappear Monday. The short-lived, Obama-era regulation required the professionals who give you advice on your retirement investments to put your best interest first. A federal court overturned the fiduciary rule in March, and was expected to make it official today. Also Monday the Department of Labor put out a bulletin on the fiduciary rule, saying it would provide additional guidance to financial advisers in the near future. So what does it all mean for firms that give financial advice?