Q&A: How did Nvidia become world’s most valuable company?

Now more valuable than Microsoft, having also overtaken fellow tech giant Apple earlier this month

The US computer chip firm’s share price hit nearly 136 dollars on Tuesday (Alamy/PA)

Nvidia, the US computer chip firm, has moved ahead of tech giants Microsoft and Apple to become the most valuable company in the world.

Here is a look at how the California-based company achieved this.