Christina is audience development editor. After graduating from the University of Nottingham reading philosophy and theology in 2013, Christina joined a tech start-up specialising in mobile apps. She has a keen interest in the mobile platform and innovative tech.
Techworld regularly updates the share prices of top tech companies. Each week Techworld takes a look at the biggest and most notable tech companies and their fluctuations from last week to this one.
Here are today's prices of some of the most important tech shares you can buy.
Additional reporting by Charlotte Jee, Matt Egan and Thomas Macaulay.