4 of Big Tech CEOs to testify before US Congress in antitrust showdown

Subcommittee Chairman David Cicilline has been looking in to allegations by critics that the companies have hurt competitors and consumers with their business practices

The CEOs of four of America's largest tech firms will testify before US Congress on Wednesday in a hearing that promises a healthy dose of political theater, while also offering a window into the thinking of lawmakers trying to rein in Big Tech.

Facebook Inc's Mark Zuckerberg, Amazon.com Inc's Jeff Bezos, Alphabet Inc-owned Google's Sundar Pichai and Apple Inc's Tim Cook - who together represent about $5 trillion of the US economy - are set to speak before the House Judiciary Committee's antitrust panel.

Subcommittee Chairman David Cicilline has been looking in to allegations by critics that the companies have