Comparing units outstanding versus one week ago at the coverage universe of ETFs at ETF Channel, the biggest inflow was seen in the iShares Core S&P 500 ETF (IVV), which added 5,950,000 units, or a 1.1% increase week over week. Among the largest underlying components of IVV, in morning trading today Apple (AAPL) is up about 1.3%, and Microsoft (MSFT) is up by about 0.6%.