By Lars Mucklejohn Investors will be looking for more clues on Metro Bank’s revamped strategy next week as the lender prepares to draw a line under a year that saw it rescued from potential collapse. The lender’s full-year results, due next Wednesday, are expected to show pressure on its net interest margin – reflecting the difference between what a bank charges on loans and pays to savers – amid intense competition for mortgages and deposits as the Bank of England holds interest rates. The bank also expects to take a one-off restructuring charge of between £10m and £15m in 2023. In the first …