How to Use QQQ for E-Commerce Exposure

Home to more than $58 billion in assets under management, the PowerShares QQQ (NasdaqGM: QQQ), which tracks the tech-heavy Nasdaq-100 Index, is one of the largest exchange traded funds in the U.S. It is also thought to be a technology ETF in disguise. To an extent, that view is accurate as QQQ...