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 ETF, which added 31,300,000 units, or a 3.1% increase week over week. Among the largest underlying components of SPLG, in morning trading today Nvidia is up about 4.3%, and Microsoft is higher by about 0.6%.

The ETF with the biggest increase in inflows was the ProShares UltraShort MSCI Japan, which added 60,000 units, for a 37.5% increase in outstanding units. This reflects a significant surge in investor interest in this particular ETF based on the percentage change basis.

Read more at Nasdaq: SPLG, EWV: Big ETF Inflows