Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest inflow was seen in the iShares S&P 500 Index Fund (IVV), which added 3,450,000 shares, or a 1.6% increase week over week. And on a percentage change basis, the ETF with the largest increase in inflows was the Proshares UltraShort Consumer Services (SCC), which added 75,000 shares, for a whopping 50.0% increase in outstanding shares.