How to spot real gold jewellery • UK pays highest interest on its debt • Reckitt in court over formula claims • Hybrid cars offer up to £13,300 savings • Smart ways to spread your investments safely • House prices may finally be rising • Traveller faces 160000 phone bill after Thailand trip • Heatwave hits High Street trade • Harvey Nichols faces collapse unless rescue deal found • Watchdog tells firms to cut jargon How to spot real gold jewellery • UK pays highest interest on its debt • Reckitt in court over formula claims • Hybrid cars offer up to £13,300 savings • Smart ways to spread your investments safely • House prices may finally be rising • Traveller faces 160000 phone bill after Thailand trip • Heatwave hits High Street trade • Harvey Nichols faces collapse unless rescue deal found • Watchdog tells firms to cut jargon