By Leah Montebello United Arab Emirates-based Emirates Telecommunications upped its stake in Vodafone to 11 per cent this morning, but dismissed that it would make any grand swoop for the British telecoms firm. Vodafone’s biggest shareholder, once known as Etisalat Group, upped its stake by one per cent, stating that the rationale for investment was “unchanged” from the original plan, which is to “gain significant exposure to a world leader in connectivity and digital service at an attractive valuation”. It comes after Vodafone chief exec Nick Read announced on Monday that he would exit the co…