Jeff Bezos now worth over $105billion as Amazon hits high

The CEO and founder of Amazon.com is listed as the world's richest person with a net worth of $105billion. Thanks to a surge in Amazon's share price, the 53-year-old added $34.2 billion to his wealth in 2017 to round out a standout year for the tech and retail giant. The Seattle-based company has grown from its online retail roots to cloud computing, streaming video, artificial intelligence and more. Amazon's shares have recently been boosted by its acquisition of grocery chain Whole Foods. The firm has also expanded its line-up of devices tapping into its digital assistant Alexa.