Revenues at former Nestor Healthcare owned staffing business Pinnacle Staffing Group fell by 12% to £38.1m in 2008 after what the board described as a ‘turbulent year’.Gross margins increased slightly from 18.8% to 19%, resulting in gross profit of £7.2m (2008: £8.1m) but administrative expenses more than doubled to £11.5m which, together with marketing costs…