While looking at the ETFs in weekly shares, one can tell that PowerShares NASDAQ Internet Portfolio (NASDAQ:PNQI) is seeing an approximate $16.7 million dollar outflow- a 3.4% decrease week over week.

Among the largest components of PNQI, Baidu Inc. (NASDAQ:BIDU) is down about 0.1%. EBay Inc. (NASDAQ:EBAY) is up about 3.3%, and Twitter Inc. (NASDAQ:TWTR) is higher by about 1.7%.

Looking back, PNQI’s low point in its 52-week range is $82.52 per share, with $117.64 as the 52-week high point- with the stock selling last at $112.03 per share.

Exchange traded funds (ETFs) are similar to stocks- with the difference of investors buying and selling “units” instead of “shares” Creation of new units entail that the participating holdings of the ETF need to be purchased, while the destruction of units means selling participating holdings. Therefore, large flows can impact the individual components held within ETFs.

Featured Image: depositphotos/AndreaA.