(Photo Credit: David Ryder/Bloomberg)

In the nearly 10 hours that it takes a Boeing 737 to fly from Sao Paulo to New York, its twin engines will transmit a flood of digital data roughly equivalent to 15,000 Blu-ray movies.

That electronic Niagara provides a continuous readout on the jet’s performance, giving ground-based technicians a head start on unanticipated repairs and reducing costly down time.

This is a corner of the global economy where the United States is unmistakably dominant: the trade in digital services such as “big data,” cloud computing, and streaming video.

Now, President Trump’s trade policy may be risking U.S. dominance in the data-rich industries of the future in a bid to protect the metal-bending businesses of the past.

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