Bitcoin’s blistering rally needs to be viewed with some perspective, writes Camila Russo.

Opec clinched a deal to curtail oil supply, confounding sceptics as the need to clear a record global crude glut — and prove the group’s credibility — brought its first cuts in eight years.

Oil’s rally will stall at $55 a barrel as US shale drillers get back to work and a “wall of supply” from investments made over the past decade hits the market, says Goldman Sachs Group.