<div id="readability-page-1">Wall Street’s major market averages hand back earlier gains and now trade lower on Tuesday as the tech space slides. The blue chip Dow (DJI) was -0.4%, the benchmark S&amp;P 500 (SP500) was -0.9%, and the tech focused Nasdaq Composite (COMP:IND) was -1.6%. Now, here are four news stories that broke in the morning to watch out for: China’s AI expansion:...</div>

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<p>Wall Street major indices retreated on Tuesday, with the Dow down 0.4%, S&P 500 down 0.9%, and Nasdaq down 1.6% as tech stocks slid. The midday update highlights four key morning stories, including China's AI expansion.</p>

- Wall Street's major market averages have turned lower as the tech sector declines.  
- The Dow is down 0.4%, the S&P 500 is down 0.9%, and the Nasdaq Composite is down 1.6%.  
- Morning news stories highlight significant developments, including China's AI expansion.

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