A recent Supreme Court ruling will expand the rights of employees to sue over their 401(k) plans and increase pressure on employers to be vigilant in monitoring their retirement plans’ offerings, experts said. This week’s ruling in Tibble v. Edison International emphasized that overseeing a retirement plan includes a continuing duty to monitor investments and remove options that aren’t prudent and in the plan’s best interest. If you are unable to follow the link, please click here for a PDF Version