(ShareCast News) - AIM listed Fitbug has appointed Anna Gudmundson as chief executive officer.Gudmundson, who ran her own consultancy, was interim product director at the fitness tracker firm since February 2015.In a release, Fitbug said Gudmundson had more than 10 years of management experience in the technology sector.Shares in Fitbug rose by 12.18% to 2.44p to 1257 BST.