Amazon.com AMZN -1.31% is in talks to invest up to $50 billion in OpenAI, according to people familiar with the matter, in what would be a giant bet on the hot AI startup.

How Amazon's decision translates to your own workplace.

Amazon said on Tuesday that it is closing its Fresh grocery and cashierless Go convenience stores as the online retailer backtracks on its foray into brick-and-mortar retail.

Amazon is to lay off 16,000 workers in one of its biggest rounds of job cuts as the tech giant looks to replace office workers with artificial intelligence (AI).