Antitrust regulation

FILE - In this June 13, 2018, file photo, the logos for Time Warner and AT&T appear above alternate trading posts on the floor of the New York Stock Exchange. A federal appeals court has blessed AT&T's takeover of Time Warner, Tuesday, Feb. 26, 2019, defeating the Trump administration by affirming that the $81 billion merger won't harm consumers or competition in the booming pay TV market. (AP Photo/Richard Drew, File)

FILE - In this file photo dated Wednesday, Nov. 14, 2018, post trucks leaves the Amazon Logistic Center in Rheinberg, Germany. Germany's antitrust agency said Thursday Nov. 29, 2018, it has begun an investigation into online retailer Amazon over complaints that it's abusing its dominant position to the detriment of other sellers using its platform. (AP Photo/Martin Meissner, FILE)

FILE - This March 19, 2018, file photo shows Apple's App Store app in Baltimore. Apple is at the Supreme Court to defend the way it sells apps for iPhones against claims by consumers that the company has unfairly monopolized the market. The justices are hearing arguments Monday, Nov. 26, in Apple’s effort to end an antitrust lawsuit that could force the iPhone maker to cut the 30 percent commission it charges software developers whose apps are sold exclusively through Apple’s App Store. (AP Photo/Patrick Semansky, File)

David Rosen, from left, Jennifer Karol and her husband Tom Karol react to an update on the 32nd Texas congressional race during an election night party for Democratic candidate Colin Allred at the Magnolia Hotel Dallas Park Cities in Dallas, Tuesday, Nov. 6, 2018. Allred is running against incumbent Republican Pete Sessions for the Texas 32nd U.S. congressional house district. (AP Photo/Andy Jacobsohn)

FILE - In this June 13, 2018, file photo, the logos for Time Warner and AT&T appear above alternate trading posts on the floor of the New York Stock Exchange. Defending court approval of its huge merger with Time Warner, AT&T is arguing the Trump Justice Department failed to show that the merger will raise wholesale prices for pay-TV programming and for consumers. (AP Photo/Richard Drew, File)

FILE - In this Friday, July 27, 2018 file photo, the logo for Amazon is displayed on a screen at the Nasdaq MarketSite. European Union Competition Commissioner Margrethe Vestager on Wednesday Sept. 19, 2018, said they have opened a preliminary antitrust investigation into Amazon over the e-commerce giant’s treatment of smaller merchants on its website, and how it uses data gathered from sales. (AP Photo/Richard Drew, FILE)

FILE - In this June 13, 2018, file photo, the logos for Time Warner and AT&T appear above alternate trading posts on the floor of the New York Stock Exchange. The Trump Justice Department says it proved that AT&T's mega-merger with Time Warner will hurt competition, and the judge who allowed the takeover was clearly wrong to conclude consumers wouldn't be harmed. The government's argument came in its brief filed Monday, Aug. 6, 2018, with a federal appeals court. (AP Photo/Richard Drew, File)