A US House panel on Friday requested internal emails, detailed financial information, and other company records from top Amazon, Facebook, Apple, and Google executives, adding to the Big Tech cartel case.
The letters are looking for internal emails from Apple CEO Tim Cook, Amazon boss Jeff Bezos, Facebook boss Mark Zuckerberg and alphabet boss Larry Page of October 14 on acquisitions.
Apple shares fell 1.8 percent after market opening. While Apple was named as a potential target, the letter from the House provided the first concrete evidence of a far-reaching antitrust investigation.
Apple has been criticized for its app store policies and algorithms to support its own products and stifle third-party applications
On Monday, Texas Attorney General led a group of 50 US Attorneys-General from US states and territories to investigate if Google misuses its market power in advertising.
Jerrold Nadler, a Democrat who signed the letters with Republican Representative Doug Collins and Representative David Cicilline, who chairs Antitrust Subcommittee and Republican Representative Jim Sensenbrenner.
"This information is the key to determining whether anticompetitive behavior exists, whether our antitrust enforcement authorities should investigate certain issues and examine whether our antitrust laws need improvement to better promote competition in digital markets," said Collins an explanation.
Lawmakers request senior executives for emails on topics such as Amazon AbeBooks, PillPack, Eero, Ring, Zappos and Whole Food; and the acquisition of AdMob, YouTube, Android and DoubleClick by Google.
They also search for information about various policies, including Google's decision to automatically sign in to Chrome to sign up for a Google service.
Apple did not immediately respond to a request for comment while Amazon and Facebook declined comment. Google referred to a blog post this week stating that its services "create a choice for consumers."
The committee requested information from the company executives about market shares, competitors, their largest customers for specific products and documents from other investigations. [1
The committee requests information on the purchase of Instagram through Facebook. WhatsApp and Onavo and their decisions to integrate Instagram, Facebook Messenger and WhatsApp and exclude apps from his social diagram.
The US Department of Justice announced in July that it is investigating if and how large tech companies are engaged in search and social media and some online retail services "are anticompetitive." Google said it would do so by the end of August formal request for documents from the Ministry of Justice.