Based on an analysis of 763,887 Wall Street Journal articles published from 1984 to 2017, researchers found that news coverage of particular topics predicts 25% of average fluctuations in stock market returns.
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Merrefield, Clark. "How researchers used decades of Wall Street Journal articles to predict stock market returns." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 1 Dec. 2021. Web. 21 Sep. 2023.
APA
Merrefield, C. (2021, Dec. 1). How researchers used decades of Wall Street Journal articles to predict stock market returns. Nieman Journalism Lab. Retrieved September 21, 2023, from https://www.niemanlab.org/2021/12/how-researchers-used-decades-of-wall-street-journal-articles-to-predict-stock-market-returns/
Chicago
Merrefield, Clark. "How researchers used decades of Wall Street Journal articles to predict stock market returns." Nieman Journalism Lab. Last modified December 1, 2021. Accessed September 21, 2023. https://www.niemanlab.org/2021/12/how-researchers-used-decades-of-wall-street-journal-articles-to-predict-stock-market-returns/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2021/12/how-researchers-used-decades-of-wall-street-journal-articles-to-predict-stock-market-returns/
| title = How researchers used decades of Wall Street Journal articles to predict stock market returns
| last = Merrefield
| first = Clark
| work = [[Nieman Journalism Lab]]
| date = 1 December 2021
| accessdate = 21 September 2023
| ref = {{harvid|Merrefield|2021}}
}}
