Shares in Serco moved ahead after the outsource giant reported a strong start to 2009, with £1bn in new contracts and preferred bidder status on another £250m-worth.New business wins in 2009 include a deal to help improve pathology services at London's Guy's and St Thomas' NHS Foundation Trust and to provide immigration detention services at centres throughout Australia."Serco has made a strong start to the year and is on track to deliver on expectations for 2009," said chief executive Christopher Hyman. "We see significant opportunities in the current challenging economic environment to help our customers in the UK and internationally to deliver value for money services."