AdvertisementPartner In Time: Retirement Funds You Can Age WithMarch 03, 2010John YdstiefacebookEmailAt MIT's Sloan School of Management, students participate in a simulated stock market last July. Investing in stocks when prices are cheap can lead to long-term gains that ultimately bolster one's nest egg. It's a premise many young people understand, but the turmoil of the Great Recession kept some on the sidelines. (Reuters/Corbis)