The Reserve Bank of Australia has left its key interest rate unchanged for an eighth meeting in a row as it awaits more evidence inflation will soon return to its preferred target range. The RBA board ended its two-day meeting on Tuesday by keeping its cash rate at 4.35%, a move widely expected by economists and financial markets. The board only considered the option of leaving the interest rate unchanged, matching the approach it took at its September meeting, six weeks ago. In a press conference on Tuesday, governor Michele Bullock refused to be drawn into giving guidance as to