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Among a total of 1,036 teams from universities in 31 provincial-level divisions participating in the competition, the team of School of Statistics of Renmin University of China won the championship, with efficient data processing methods, careful thinking and perfect model building skills, analytics software company SAS China, host of the competition, announced at the event.

Amazon’s massive third-party seller marketplace place has astronomically increased the number of items available on the platform, but it has also made it tougher for the tech giant to identify and boot phony products from its digital stores. Amazon has stepped up its policing of counterfeiters in recent years, and now federal law enforcement officials are cracking down as well.?

Amid speculation that a major tariff war may not materialize, the Dow Jones industrial average fluctuated wildly on Wednesday, plunging 501 points after the opening bell but closing the day up 230 points at 24,263. The S&P 500 closed the day up 1.16 percent.

Amazon’s soaring stock helped the company pass Alphabet.?Amazon shares have risen 33 percent since the beginning of the year, passing ,500 for the first time last month. In the same time frame, Alphabet stock has risen only about 2 percent.

Amazon’s spheres under construction in Seattle in 2016. (GeekWire Photo / Kevin Lisota)