Hill & Smith Holdings PLC, the international group with leading positions in the supply of infrastructure products and galvanising services to global markets, said performance of the group between July 1 and November 14, 2012, had been “robust”. Net debt as at 31 October 2012 was £93.3m, compared with £89.1m as reported at the half year. The increase, revealed in Hill and Smith’s Interim Management Statement, was said by the Group to principally reflect its investment in a new galvanising plant in the USA,