<span style="line-height: 20.8px;">It was the worst week for US markets since August last week, and now both the Dow Jones Industrial Average and the S&P 500 are on track for a losing year in 2015. The euro is trading at its lowest levels in six months, and investors are selling on almost a 90 per cent certainty that the US Federal Reserve will raise interest rates next month for the first time in close to 10 years.</span>