Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest inflow was seen in the PowerShares QQQ (QQQ), which added 31,550,000 shares, or a 6.7% increase week over week. Among the largest underlying components of QQQ, in morning trading today Microsoft Corporation (MSFT) is down about 0.5%, and Google Incorporated Class A (GOOG) is lower by about 0.6%.