Shares in the troubled private security company Serco rose sharply on Friday after the company hired a respected FTSE 100 boss to lead its turnaround.

Rupert Soames has been at the helm of Aggreko, the world’s largest temporary power generation and temperature control services business, since 2003.

Soames, a grandson of Winston Churchill, will take over as Serco’s chief executive in June. Its shares surged by more than 10%, while Aggreko’s fell 4% following the news.

Read me: http://www.theguardian.com/business/2014/feb/28/serco-shares-rupert-soames-aggreko-chief-executive