Turning today to week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest outflow was seen in the SPDR S&P 500 ETF (SPY), which shed 5,100,000 shares, or a 0.6% decrease week over week. Among the largest underlying components of SPY, in morning trading today Apple Incorporated (AAPL) is off about 0.3%, and Exxon Mobil Corporation (XOM) is relatively unchanged.