Notoriously volatile, cryptocurrency has long been seen as a niche investment on the verge of going mainstream. But increasingly digital tokens are being integrated into traditional finance. The US approved the sale of exchange traded funds linked to Bitcoin in January. The industry also seems...

China's economy has been having a tough time. The latest growth figures show the slowest pace of expansion in more than a year. Consumer spending is weak and the property slump is ongoing. The official target of growing the economy by 5% a year is still within reach - thanks to a boom in exports....