It Was the Best of Times, It Was the Worst of Times All about how missing the best market days (or the worst!) might affect your portfolio. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.