The last few weeks have seen a range of factors causing volatility in investment markets including concerns that the Fed might start to raise interest rates earlier than expected, worries about the lack of strength in Europe, Russian trade sanctions and the conflicts in Ukraine, Iraq and the Middle East. In the background have also been concerns about the worsening Ebola outbreak in West Africa with the risk it could cause a global pandemic. This has been heightened after the World Health Organisation (WHO) declared the outbreak an “international public health emergency”.