 Bristol and Glasgow will become key hubs for economic growth in the next few years as Katherine Griffiths the UK transforms itself into a world-leading manufacturer and innovator in high-tech businesses, according to a report by HSBC.  "Super-cities" across the UK will drive growth by acting as centres for specialised industries. Bristol, a centre for advanced manufacturing, and Glasgow, which has a concentration of renewable-energy businesses, have been classified as new super-cities alongside Newcastle, Leeds, Liverpool, Brighton and London, which were identified by the bank in 2009.  The upbeat report is in sharp contrast to those who fear the UK will struggle to cut its dependence on financial services and that building a vibrant manufacturing industry across several sectors will take years if not decades.  Jacques-Emmanuel Blanchet, HSBC's head of commercial banking in the UK, believes that small businesses are showing themselves to be "adaptable" as they emerge from the recession,  