Author Bio A Fool since 2010, and a graduate from UC San Diego with a B.A. in Economics, Sean specializes in the healthcare sector and investment planning. You'll often find him writing about Obamacare, marijuana, drug and device development, Social Security, taxes, retirement issues and general macroeconomic topics of interest. Follow @TMFUltraLong For more than a year, investors have been privy to one of the strongest bounce-back rallies from a bear-market bottom in history. All three indexes have rocketed to new all-time highs, with the tech-heavy Nasdaq Composite leading the charge. At its best, the Nasdaq more than doubled in just 11 months' time.