** Shares of e-commerce software maker  ECOM.N  rise 17.5%
to $17.50 premarket; among top gainers on the NYSE  
    ** ECOM acquires analytics firm BlueBoard to help brands
accelerate growth across retailer websites and
marketplaces urn:newsml:reuters.com:*:nASA00XZY
    ** ECOM says it will bring BlueBoard's technology to market
as ChannelAdvisor Brand Analytics
    ** Paris-headquartered BlueBoard helps global brands such as
L'Oreal, Clarins and Logitech to boost sales by providing
insights on consumer behavior
    ** ECOM also releases prelim. Q2 results, expects Q2 total
revenue to be ~$37.3 mln, above previous guidance of $32.5 mln
    ** ECOM stock up ~65% YTD, as of Thursday's close 

 (Reporting by Shradha Singh in Bengaluru)
 ((Shradha.Singh@thomsonreuters.com; within U.S. +1 646 223 8780
Ext: 2804, outside U.S. +91 80 6182 2630;))