The tools build on the vast amount of information Google knows about consumers.
The NextCard eCommerce Index, a monthly listing of the top web sites based on the number of online transactions by the more than 440,000 NextCard cardholders, released its July listing. The top ten online merchants for July include Amazon.com at No. 1, followed by America Online, Earthlink, eBay, Buy.com, Priceline.com, Barnesandnoble.com, MSN, Half.com and UBID. NextCard eCommerce Movers listing for July shows the biggest gains coming from Amazon.com auctions, phonecardonsale.com and essential.com, with Intuit.com and Omahasteaks.com among the biggest losers for the month.