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Amazon’s stock is down again today, after the online retail giant reported its biggest profit miss in years.

Amazon’s massive investment in its tech hubs over the last year bears that theory out. Here is a rundown of some of Amazon’s major moves:

American companies are not satisfied with the current situation and hope to have better profits like they used to enjoy. Li believes that this is one of the reasons the US launched a trade war.

Among the 5G possibilities are augmented reality (computer graphics merging with the real world), virtual reality, improved streaming resolution, holographic displays, enhanced power and next-gen cloud computing. More importantly, smartphone makers' enthusiasm for 5G shows how technological advances can motivate people, especially when their product shipments are shrinking.

Among them, 710,000 visitors came from the Chinese mainland, registering an increase of 12.3 percent, the office added.