Wall Street Journal - February 28

The following are the top stories in the Wall Street Journal. Reuters has not verified these stories and does not vouch for their accuracy.-The U.S. plans next week to impose an additional 10% tariff on imports from China over its role in the fentanyl trade and move forward with 25% tariffs on products from Canada and Mexico, U.S. President Donald Trump said on Thursday. -U.S. Transportation Secretary Sean Duffy said the federal government would take steps to hire more air-traffic controllers and spend billions of dollars to upgrade the nation's aviation system.-KPMG won approval from Arizona's Supreme Court on Thursday to launch a law firm in Arizona, making it the first of the Big Four accounting firms to be able to practice law in the United States.-Private fund manager Sixth Street Partners is investing $200 million in a joint venture with Figure Technology Solutions, the blockchain-based lender. -Microsoft has urged U.S. President Donald Trump's team to ease export restrictions imposed on artificial intelligence chips in the closing days of the Biden administration, saying the measures should not extend to a group of U.S. allies. -Amazon's cloud computing unit Amazon Web Services on Thursday showed a quantum computing chip with new technology that it hopes will shave as much as five years off its effort to build a commercially useful quantum computer.