Its shares surged 6.7% to the top of STOXX 600, while peer Compass CPG.L gained 3.1%. By Amal S Jan 8 (Reuters) - European stocks were on track for their strongest weekly gains since November on Friday, with Germany's DAX hitting a record high on the back of better-than-expected economic data and encouraging earnings updates from chipmakers. A European Commission monthly survey showed the economic sentiment in the euro zone ticked up in December, but inflation held in negative territory, lending weight to expectations of loose monetary policy in the bloc.