Americans saving for retirement will continue to face the risk of being vulnerable to financial advisors who charge hidden commissions. That appears to be the implication of an executive order President Trump signed last week, where he called for a review of the Department of Labor’s “fiduciary rule,” which sought to protect mainstream investors and was to take effect on April 10, 2017. Currently, two federal courts have upheld this Obama-era rule and another rejected a request to delay its implementation. The fiduciary rule would require financial advisors to have their clients’ best interest at heart when recommending investments that apply to the rollovers of 401(k) or 403(b) accounts into IRAs. Currently, the practice is simply to meet the suitability standard — whether an investment is suitable to a client based on their age, risk tolerance and other factors — but does not consider hidden commissions, said Wharton professor of business economics and public policy Kent Smetters.…