France's Vivendi ups stake in GVT to 81.82 pct

French media company Vivendi boosted its stake in Brazilian telecom company GVT to 81.82 per cent after exercising options it held on shares in the company, it said in a filing on Wednesday. On November 13, the company said it had acquired options on GVT stock equivalent to 19.6 per cent of that company's voting shares. "Today Vivendi announced that it concluded the exercising of all those purchase options ahead of the original schedule, for which the cut off date to exercise was February 17, 2010," the filing to the Brazilian securities regulator said.