is the latest company to be sued over how it handles the 401(k) plan money forfeited by workers who leave the company after a short period.

The proposed class action accuses the transportation and logistics company of using 401(k) forfeitures to reduce the contributions it would otherwise have to make to the retirement plan, instead of putting that money toward the administrative expenses paid by workers. This contradicts the terms of Knight-Swift's retirement plan, which provides that forfeitures "shall be used first to pay Plan expenses," three current and former plan participants said in the ...