The U.S. Securities and Exchange Commission plan for overhauling broker conflict-of-interest rules is coming under fire from an unusual source: a group of its former top economists. In a sharply-worded comment letter, 11 former SEC officials faulted the proposal released last April under the direction of Chairman Jay Clayton, citing what they called “weak and incomplete” economic analysis. “We find it worrisome that the proposal’s economic analysis does not fully consider some potentially important dimensions of the retail client-adviser relationship,” the officials wrote in the letter dated Feb. 6. Clayton has made ... (full story)