by Rob Lever Agence France-Presse WASHINGTON, United States – The unusual move by President Donald Trump to block a proposed takeover of Qualcomm by a Singapore-based chip rival highlights growing concerns about the rise of Chinese competitors. Trump issued an order Monday barring the proposed $117 billion acquisition, citing credible evidence such a deal “threatens to impair the national security of the United States.” It would have been the biggest-ever deal in the tech sector. Trump’s order made […]