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American Airlines said Sunday it is extending those cancellations through Sept 3. Boeing has yet to complete a certification test flight and formally submit its software upgrade and training changes to the Federal Aviation Administration (FAA) for approval.

Amazon’s push for faster shipping has reshaped the retail industry, with many competitors such as Target and Walmart now offering their own free two-day delivery options. Walmart in May?unveiled free one-day delivery on more than 200,000 items with a minimum order threshold of . Best Buy announced its own free next-day delivery offering last month.

Amid rising tensions over international trade, the broad global expansion that began roughly two years ago has plateaued and become less balanced, Maury Obstfeld, director of the IMF Research Department, said on Monday.

Amazon’s potential success in generating additional sales through the Tmall platform is unknown. A lot of?it can be dependent upon how much money Amazon is willing to spend on marketing.

Amazon’s?device-agnostic?strategy, Agarwal says, is the correct?one:?“We want to be the provider of the right content, for every device, as students need it.”