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American politicians on Tuesday demanded immediate grounding of the aircraft, and Boeing's stock was down on Tuesday for the second day. It closed on the New York Stock Exchange at 5.41 a share, down .60, or 6.15 percent from Monday's close. Boeing's stock has lost about billion in two days.

Among the deliveries, Bell Helicopter contributed 24, with more due for delivery in the coming years, said Jacinto Monge, managing director of Bell North Asia.

Amazon’s recommendations are part of Amazon’s secret sauce. It takes into account many factors when deciding which product should earn the buy button, including a seller’s reputation, price and whether or not it is an item Amazon stocks in its warehouse or if the product ships from the vendor’s fulfillment center.

American startups are going to China not just for that market, said Jonathan Hua, an early-stage investor at Scrum Ventures in Silicon Valley.

Amazon’s investment in sustainable aviation fuel is part of a broader Climate Pledge announced by the company last year, promising to meet the goals of the Paris Agreement on climate change by 2040, becoming carbon neutral 10 years ahead of schedule. The company in June launched a billion Climate Pledge Fund?and purchased naming rights to Seattle’s pro hockey and basketball arena, naming it Climate Pledge Arena.