UPDATE 1-Shopify to buy warehouse technology provider for $450 mln <!-- no image --> <div>Shopify Inc said on Monday it would buy warehouse technology provider 6 River Systems Inc for about $450 million, as it looks to accelerate growth of its fulfillment network.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=9UjUrEutWjs:kfm97-HrfJI:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=9UjUrEutWjs:kfm97-HrfJI:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=9UjUrEutWjs:kfm97-HrfJI:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=9UjUrEutWjs:kfm97-HrfJI:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=9UjUrEutWjs:kfm97-HrfJI:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/9UjUrEutWjs" height="1" width="1" alt=""></div> Posted by Reuters