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 Technology Select Sector SPDR Fund (XLK), which shed 23,650,000 shares, or a 7.5% decrease week over week. And on a percentage change basis, the ETF with the largest outflow was the First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund (GRID), which lost 150,000 of its shares, for a whopping 25.0% decline in outstanding shares.