https://www.theguardian.com/technology/2018/sep/04/amazon-becomes-worlds-second-1tn-company

Amazon has become the second company to be valued by Wall Street at $1tn, a matter of weeks after Apple reached the milestone first.

On Tuesday, a rise in the share price of Amazon, which is listed on the Nasdaq stock exchange in the US, briefly took it above the trillion-dollar watermark for the first time. The company’s value hovered just shy of $1tn before noon.