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 Health Care Select Sector SPDR Fund (XLV), which shed 7,050,000 shares, or a 4.8% decrease week over week. And on a percentage change basis, the ETF with the largest outflow was the Top Guru Holdings Index ETF (GURU), which lost 50,000 of its shares, for a whopping 33.3% decline in outstanding shares.