European Union regulators have opened a formal investigation into claims that Microsoft is unfairly bundling its Teams video conferencing app with its popular Office software as Brussels intensifies its scrutiny of big technology groups.

Tech giants currently under investigation by the EU are unlikely to be calmed by the General Court's judgment, especially with the Digital Markets Act (DMA) set to come into force next year.

EU antitrust regulators will not appeal a court ruling scrapping its EUR997 million (US$991 million) fine against Qualcomm, people familiar with the matter said, in a major win for the US chipmaker that ends a long-running saga.

EU antitrust regulators have resumed investigation of Nvidia's deal for British chip designer ARM, setting a new deadline of May 25 for their decision, a European Commission filing showed.

South Korea's SK Hynix said on Wednesday it has received merger clearances from the Chinese antitrust authority for its acquisition of Intel's NAND memory chip business, clearing the way for the world's second-largest memory chip maker to completion of securing regulatory approvals from all eight countries.

South Korea's antitrust regulator has fined Alphabet's Google KRW207 billion (US$176.64 million) for blocking customised versions of its Android operating system (OS), in the US technology giant's second setback in the country in less than a month.

The State Administration for Market Regulation (SAMR) announced in a statement that it is investigating Alibaba Group for "suspicion of monopolistic conduct." This caused the stock of China's largest online trading platform to crash, whose value fell by more than $100 billion.

The European Union has unveiled formal antitrust charges against Amazon for abusing its dominance in online shopping and opened a second investigation into the company's business practices.

The Trump administration on Tuesday sued Google in what is the largest antitrust case against a tech company in more than two decades.

Looks like the FTC lost

An email released by the House Antitrust Subcommittee on Wednesday show negotiations between Amazon and Apple over revenue sharing from the Amazon Prime Video app.

Google's $2.1 billion bid for fitness tracker maker Fitbit will face a full-scale EU antitrust investigation next week, people familiar with the matter said on Thursday.

The blockbuster antitrust hearing featuring CEOs from Amazon, Apple, Facebook and Google, which was supposed to happen Monday, looks like it will be postponed, two people familiar with the matter told CNBC.

Slack says Microsoft Teams is a 'weak, copycat product' that's forced on Office users.

Europe's second top court on Wednesday cut Infineon Technologies' cartel fine by 7% to 76.87 million euros ($86.7 million), saying that the German chipmaker had fewer anti-competitive contacts with other cartel members than EU antitrust regulators had said.

Facebook must comply with an order by Germany's antitrust watchdog to curb data collection from users, a top German court ruled on Tuesday, in a setback for the U.S. social network company that could set a wider precedent.

European regulators on Tuesday announced formal antitrust investigations into Apple's App Store and its Apple Pay system.

Representatives for Mark Zuckerberg, Sundar Pichai and Jeff Bezos indicated the execs are open to testifying before Congress about the influence of big tech.

U.S. chipmaker Broadcom has offered to scrap its exclusivity deals with TV and modem makers to end an EU antitrust investigation and stave off a possible hefty fine.

Just as Apple is forced to close retail stores around the world because of the coronavirus pandemic, it has been hit by a $1 billion blow to its finances.

The U.S. government's antitrust victory over chip supplier Qualcomm drew tough questions for the Federal Trade Commision from a panel of three appellate judges in San Francisco on Thursday.

The third outstanding antitrust case involving Google was finally resolved in 2019, but the EU has a whole new set of targets in its sights.

EU antitrust regulators are investigating Google's collection of data, the European Commission told Reuters on Saturday, suggesting the world's most popular internet search engine remains in its sights despite record fines in recent years.

State attorneys general are opening the latest inquiries into the companies' practices as government scrutiny grows

A court has granted a partial reprieve from a US antitrust ruling.

In a shot across the bow of online titans like Facebook, Google and Amazon, the Justice Department announced Tuesday it has opened a wide-ranging antitrust investigation of big technology companies and whether their online platforms have hurt competition, suppressed innovation or otherwise harmed consumers.

Qualcomm may have to pay a second big fine to the European Union over antitrust concerns for how it handled sales of 3G chips for mobile hotspot and dongles, just over a year after the chip maker was issued a $1.23 billion financial penalty for illegally shutting out modem rivals from supplying Apple.

The response came after industry website Jiweinet reported on Friday that the Chinese antitrust agency launched a sudden investigation into the Beijing, Shanghai and Shenzhen offices of Samsung, SK Hynix Inc and Micron Technology on Thursday seeking certain information.

China's antitrust regulator has approved Qualcomm's joint venture with a unit of China's state-owned Datang Telecom Technologyto design smartphone chipsets, people familiar with the matter said, a win for the US chip maker amid escalating US-China trade friction.

Toshiba expects the sale of its $18 billion memory chip business to be completed by June at the latest, if not by an agreed deadline of the end of March, as it awaits antitrust regulatory approval from China.

Globalfoundries has asked Chinese regulators to probe Taiwan Semiconductor Manufacturing Co. for violating antitrust laws, said two industry sources familiar with the matter.

The European Commision (EC), the EU's legislative and regulatory arm, said its investigation, which lasted for more than two years, concluded that Qualcomm paid Apple billions of dollars to keep it from buying LTE baseband chips from Qualcomm's rivals, violating EU antitrust rules.

Toshiba is considering an IPO of its prized memory chip business if an agreed $18 billion sale to a Bain Capital-led consortium fails to gain antitrust approval by the end of March, the Financial Times reported on Monday.

Globalfoundries has asked European antitrust regulators to investigate market leader TSMC, accusing the Taiwan-based firm of unfair competition, an industry source said on Monday.

Intel's eight-year clash with the European Union over chip pricing has dragged on so long that the 1.06 billion-euro (US$1.26 billion) antitrust fine, a record at the time, now seems like a distant memory.

EU antitrust authorities have halted their scrutiny of Qualcomm's $38 billion bid for NXP Semiconductors after the companies failed to provide relevant information.

Apple has sued Qualcomm accusing it of monopolizing the market for chips for wireless devices and withholding $1 billion in retaliation for cooperating with South Korean antitrust authorities.

South Korea's antitrust regulator slapped a record KRW1.03 trillion ($853 million) fine on Qualcomm for violating antitrust laws, the latest in a string of government actions that threaten the US chipmaker's most profitable business.