You can find original article here WealthManagement. Subscribe to our free daily WealthManagement newsletters. Stock and bond funds with lower fees are outperforming their more expensive category peers, according to new research from Morningstar. Over the past decade, the return difference between the cheapest and priciest funds in these sectors has reached over 2 percentage points, noted Jeffrey Ptak, managing director at Morningstar Research Services, who conducted the research  Ptak looked at ho ...