Edward Jones is being sued by a participant in the company's 401(k) plan for allegedly causing employees to pay high fees for investment management and record-keeping services that supposedly cost them millions in retirement savings. Many of the allegations in proposed class-action lawsuit, McDonald v. Edward D. Jones & Co. L.P. et al, which was filed Aug. 19 in Missouri district court, will be familiar to those following other excessive-fee cases against sponsors of multibil