telekom austria ag shares rose tuesday after the company said it received shareholder support to spin off its mobiletowers business the austrian telecoms company said late monday that america movil sab and oesterreichische beteiligungs ag had agreed to support the spinoff of the business into a separate company on the vienna stock exchange the companys two main shareholders also agreed to renew their syndicate agreement for another 10 years a decision about the spinoff is subject to relevant corporate approvals telekom austria said