Amazon.com Inc.’s stock had the biggest advance on the S&P 500 Index after the e-commerce giant said its holiday season this year was “record-breaking,” with billions of items shipped and “tens of millions” of Amazon devices like the Echo Dot sold.

All but the smallest civilian drones would have to broadcast radio tracking data to ensure greater safety and prevent terrorism under a sweeping proposal unveiled by U.S. regulators Dec. 26.

The day Youngstown’s steel mills began shutting down 40 years ago remains fresh in the minds of those who live in the blue-collar corner of Ohio. Community leaders don’t want the recent closing of General Motors’ massive assembly plant to leave that same lingering gloom.

Several of the nation’s most prominent ports felt the impact of the trade war between the United States and China as 2019 comes to a close, just as the Trump administration struck an initial trade agreement with China that is due to be signed sometime in 2020.