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Amid the spat, Trump pulled out of a joint communique with six other countries last weekend during a Quebec summit meeting of the Group of Seven rich nations and called Trudeau "very dishonest and weak."

Among the region's seven cities and prefectures, capital city Lhasa topped all others by posting a foreign trade value of 2.53 billion yuan, accounting for 82.8 percent of the region's total foreign trade value.

Among the 15 listed Chinese companies with high market valuations, Moutai is the only one from the consumer sector, with the others from sectors such as technology, finance, telecommunications and petroleum.

Amazon’s Simple Notification Service also got a boost with a new Time to Live feature for mobile push notifications. Now, a developer can send a push notification to customers during a particular time window up to two weeks in length. That means a customer won’t have to get a notification for an event that has already happened while SNS couldn’t reach their phone.

Among the world's top 20 universities for artificial intelligence research, 16 are in the US, including the Massachusetts Institute of Technology and Carnegie Mellon University, according to the American National Science and Technology Council.