Today's top stories  Monday, 20 May, 2013 Mobility America Movil buys US operator US Cellular to pay out cash from asset sale Losses continue to pile up for LightSquared in bankruptcy Vodacom full-year net rises, flags tough domestic competition Media & Entertainment Yahoo Japan reports unauthorised access LinkedIn, not Facebook, became social IPO star Some artists give Adobe's cloud switch a critical review Yahoo to acquire Tumblr for $1.1 billion in cash Yahoo CEO to announce updates to Flickr site on Monday Business & Regulatory Ericsson, Airvana reach agreement on trade secret dispute German Economics Minister against EU telecoms probe on China Network Services Yahoo Japan reports unauthorised access Finance Crest urges shareholders to delay Clearwire decision America Movil buys US operator US Cellular to pay out cash from asset sale Losses continue to pile up for LightSquared in bankruptcy LinkedIn, not Facebook, became social IPO star Google's Schmidt defends tax affairs amid fresh claims Vodacom full-year net rises, flags tough domestic competition Yahoo to acquire Tumblr for $1.1 billion in cash People QLogic CEO steps down Google's Schmidt defends tax affairs amid fresh claims split by geography Thursday, 23 | Wednesday, 22 | Tuesday, 21 | Monday, 20 | Friday, 17

Most Read Windows Phone shipments overtake BlackBerry in Q1 Telematics could solve consumer confusion, increase loyalty for car insurance industry Eircom gears up for fibre network launch Friday Review: The generation game AT&T climbs global brand ranking, BT joins top 100 America Movil buys US operator KPN completes €3bn rights issue Voda holds onto Verizon cash, CEO plays down stake sale talk Ericsson winds up cable making ops Kcell names new CEO