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 Dow Jones US Real Estate Index Fund (IYR), which added 5,500,000 shares, or a 7.3% increase week over week. Among the largest underlying components of IYR, in morning trading today Simon Property Group Incorporated (SPG) is up about 0.4%, and American Tower Corpnew (AMT) is higher by about 0.8%.