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 400 Mid Cap ETF, which added 12,850,000 units, or a 7.7% increase week over week. Among the largest underlying components of SPMD, in morning trading today Super Micro Computer is off about 12.2%, and Deckers Outdoor is lower by about 0.6%.