If you were invested 50 percent in stocks and 50 percent in bonds at the beginning of the year, your portfolio almost certainly doesn't have those proportions anymore, because you have probably taken big losses in stocks. "The temptation this year is going to be to stay where you are or get rid of stocks. Most people today should probably buy stocks," says Andrew Biggs, a resident scholar at the American Enterprise Institute and a former deputy commissioner for policy at the Social Security Administration. "Whatever ratio people have, people should think about where they want to be and be proactive about getting their portfolio back where it should be."
More New Year's resolutions for retirement: