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 (SPY), which shed 15,650,000 shares, or a 2.0% decrease week over week. Among the largest underlying components of SPY, in morning trading today Apple Incorporated (AAPL) is up about 1.8%, and Exxon Mobil Corporation (XOM) is up by about 2.3%.