Comparing units outstanding versus one week ago at the coverage universe of ETFs at ETF Channel, the biggest inflow was seen in the Gold Miners ETF (GDX), which added 12,350,000 units, or a 2.9% increase week over week. Among the largest underlying components of GDX, in morning trading today Newmont Mining Corporation (NEM) is off about 0.2%, and Franco-Nevada Corporation (FNV) is up by about 0.4%.

And on a percentage change basis, the ETF with the biggest increase in inflows was the Daily Russia Bull 3X Shares (RUSL), which added 1,250,000 units, for a 30.4% increase in outstanding units.