First Trust Dow Jones Internet Index Fund (NYSEArca: FDN)

YTD gain: 43.3%

Comment: American consumers are changing the way they shop, utilizing online sources to check prices. As a result, more are turning to online retailers, and e-commerce has expanded on websites like Amazon (NasdaqGS: AMZN) and eBay (NasdaqGS: EBAY), which make up 9.0% and 5.1% of FDN’s portfolio, respectively. The PowerShares NASDAQ Internet Portfolio (NasdaqGM: PNQI), which has gained 53.7% year-to-date, provides similar exposure to internet stocks, including 9.5% in AMZN and 7.8% in EBAY.