P.M. Edition for Jan. 27. Some $1 trillion was erased from the U.S. stock market today as investors reacted to a cheaper, high-performing AI model from Chinese company DeepSeek. WSJ reporter Asa Fitch tells us what’s unique about the company and its technology. Plus, Journal markets reporter David Uberti joins to discuss what this might mean for tech stocks in the long run. And a top prosecutor opens a review of the Justice Department’s decision to charge Jan. 6 rioters. Alex Ossola hosts.
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