The post-financial crisis and massive central bank stimulus that followed in developed nations has led to some of the lowest bond yields in history. In a move to find higher returns, cash has moved abroad into economies that offer higher yielding assets. Countries such as New Zealand have benefitted during these times, but with the Fed's move to scale back asset purchases in combination with slower growth in China, the four year trend may be showing signs of fundamental weakness.
Polling for the UK-EU referendum will take place between 7am-10pm BST on June 23, and official results won’t be out until 10am BST on June 24. Markets will know which way the winds are blowing well-ahead of then.