If you put money into a 401(k), beware. Until now, the law always required fund managers entrusted with your savings to invest the money where it's expected to get the top return for you. Period. But on Nov. 22, Biden's Labor Department announced a rule change that goes into effect the end of January. It will allow fund managers to invest your money in the stocks of companies that favor left-wing policies, even if they earn a lower return.