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Stock impact report

Market Extra: How China’s censorship on trade war throws off the algos [MarketWatch]

BlackRock, Inc. (BLK) 
Last blackrock, inc. earnings: 4/16 06:02 am Check Earnings Report
US:NYSE Investor Relations: ir.blackrock.com
Company Research Source: MarketWatch
How China’s censorship on trade war throws off the algos When China’s stock-market was rocked by its biggest one-day selloff in three years on May 6, Chinese state media and local bloggers steered clear of the elephant in the room – President Donald Trump’s threat to hike tariffs on Chinese goods. Quantitative investors say censorship around the chief source of China’s equity tumble highlights the limitations of algorithms used to sift through millions of social media posts and news articles in real time to mine investor sentiment. This comes as quantitative hedge funds and well-resourced money managers, such as BlackRock Inc. BLK, +0.70% advocate looking at social media data to check the pulse of unsophisticated retail traders in China’s stock markets. The analysis of social media first got its start as part of a broad movement in Wall Street to analyze unconventional data sources such as satellite images and credit-card transactions. In developed markets like the U.S., where trad Show less Read more
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