The Swiss-based drinks bottling firm rose 3.46% in early trading.
Broadcaster ITV and DIY group Kingfisher were both up more than 1%, while oil giants Royal Dutch Shell and BP both fell by less than 1%
On the currency markets, the pound was down slightly against the dollar, falling 0.15% to $1.5752, and down 0.04% against the euro.
(Open) The UK's benchmark FTSE 100 index opened 0.26% higher at 6,991.36 points, led by Coca-Cola HBC AG.