Comparing units outstanding versus one week ago at the coverage universe of ETFs at ETF Channel, the biggest inflow was seen in the The Financial Select Sector SPDR Fund, which added 28,900,000 units, or a 3.0% increase week over week. Among the largest underlying components of XLF, in morning trading today Berkshire Hathaway is down about 1%, and JP Morgan Chase is higher by about 0.9%.