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Brazil's Antitrust Watchdog Probes Microsoft (MSFT) following Opera's Complaint

By Hamna Asim | August 17, 2025, 3:16 AM

Microsoft Corporation (NASDAQ:MSFT) is one of the top stocks sold by hedge funds. Brazil’s antitrust agency CADE said on August 1 that it has started an investigation into Microsoft after Norwegian browser maker Opera Limited (NASDAQ:OPRA) raised concerns about Microsoft’s Edge.

Opera claimed in its complaint that Microsoft sets Edge as the default browser on Windows devices, making it harder for other browsers to compete fairly.

Brazil’s Antitrust Watchdog Probes Microsoft (MSFT) following Opera’s Complaint
Image by Tawanda Razika from Pixabay

As of June, Opera controlled 6.78% of Brazil’s desktop browser market, trailing Edge’s 11.52% and the 75% held by Google Chrome.

CADE commented that it has started an administrative inquiry and gave Microsoft until August 15 to reply to Opera’s claims about Windows licenses, Microsoft 365, and its Jumpstart program.

The Jumpstart program allows Microsoft customers to create AI agents that handle simple tasks, which could help the company earn money from its substantial AI investments. Other large tech firms offer similar tools.

Opera has been complaining about Microsoft since December 2007, when it reported that Internet Explorer was bundled with Windows to the European Commission, which resulted in a €561 million ($640 million) fine for the American tech titan.

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READ NEXT: Dow 20 Stocks List: Ranked By Hedge Fund Bullishness Index and 10 Unstoppable Dividend Stocks to Buy Now.

Disclosure. None.

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