One strategy: Sell off some company stock and put the proceeds into a diversified stock portfolio, says John Verfurth, a partner at HighTower Advisors' VWG Wealth Management team in Vienna, Va.
After Freddie Mac was placed under government conservatorship in 2008, its shares became worthless, yet the shares of the exchange fund now are trading near their highest level since they were purchased, Mr. Verfurth says.