Apple becomes first company worth $800bn

The iPhone maker's market capitalisation is well on the way to $1 trillion after a huge 50% rise since the US election

Apple has become the first company in history to top the $800bn mark in market capitalisation, slightly more than two years after it crossed the $700bn threshold.

The iPhone maker's shares have gained 33% this year and almost 50% since the US election in November. Shares closed at $153.99 on Tuesday.