Comparing units outstanding versus one week ago at the coverage universe of ETFs at ETF Channel, the biggest inflow was seen in the SPDR Portfolio S&P 500 Value ETF, which added 13,550,000 units, or a 4.5% increase week over week. Among the largest underlying components of SPYV, in morning trading today Berkshire Hathaway is down about 0.7%, and JP Morgan Chase is lower by about 0.2%.