THE ‘feel good factor’ as a result of the Queen’s Diamond Jubilee celebrations has had a beneficial effect on the first half performance of Staffordshire pottery maker Portmeirion.The company said the festivities had contributed to a strong first half performance and it remained optimistic for the full year with its strongest sales period – Christmas – yet to come.First half revenues were up 2% to £22.8m (2011: £22.3 million), with pre-tax profit at £1.5m (2011: £1.4m) – a......for the full story register now for free or login below...