In its second-largest acquisition, Amazon buys the company for $970 million.
The Internet Retailer Online Retail Index gained 0.36% last week.
E-commerce stocks moved ahead modestly for the second week in a row, despite a decline in the stock market as a whole.
The Internet Retailer Online Retail Index of 25 e-retailers and e-commerce technology providers advanced 0.36%, while the Dow Jones Industrial Average declined 0.62% and the Standard & Poor’s 500 Index fell 0.66%.
The Online Retail Index was about evenly split between winners and losers, with 12 stocks gaining and 13 losing ground
Here are the best-performing stocks last week in the Online Retail Index and the gain in stock price for each:
• DemandTec, 10.6%
• Keynote Systems, 8.1%
• VistaPrint, 8.0%
• United Online, 7.8%
• ATG, 6.8%
Here are the Online Retail Index stocks that performed least well last week and the percentage loss in stock price for the week:
• Vitacost.com, -14.3%
• 1-800-Flowers.com, -13.1%
The 25 companies in the Internet Retailer Online Retail Index are: 1-800-Flowers.com Inc., Akamai Technologies, Amazon.com Inc., American Greetings Corp., Art Technology Group Inc., Bidz.com Inc., Blue Nile Inc., DemandTec Inc., Digital River Inc., Drugstore.com Inc., eBay Inc., GSI Commerce Inc., Keynote Systems Inc., LivePerson Inc., Netflix Inc., NutriSystem Inc., Overstock.com Inc., PetMed Express Inc., RealNetworks Inc., Shutterfly Inc., Systemax Inc., U.S. Auto Parts Network, United Online Inc. (owner of FTD.com), Vitacost.com Inc. and VistaPrint Ltd.