Shares of technology companies sank. The European Union's antitrust watchdog is expected to find Alphabet Inc.'s Google illegally abused the dominance of its Android operating system for mobile phones, issue a multibillion-euro fine and order changes to the company's Android-related business practices, people familiar with the matter said. Meanwhile, senior U.S. lawmakers requested answers from Alphabet about privacy questions surrounding Gmail, the company's popular email service. In personnel moves, Uber pushed out its human-resources chief, Liane Hornsey, after an internal investigation into her department's handling of racial discrimination claims. Apple is handing oversight of its Siri team to new artificial-intelligence chief John Giannandrea three months after hiring him from rival Google.
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