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 iShares Gold Trust (IAU), which shed 3,400,000 shares, or a 0.5% decrease week over week. And on a percentage change basis, the ETF with the largest outflow was the Retail ETF (RTH), which lost 250,000 of its shares, for a whopping 23.3% decline in outstanding shares.