Media stance and stock returns show no market-wide level shift or Granger-causal link around 2020; significant links appear only for individual firms after their own structural breaks.
NewsMTSC: A dataset for (multi-)target- dependent sentiment classification in political news articles,
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Quantitative Analysis of Media Bias and Stock Price Dynamics: The 2020 Shock
Media stance and stock returns show no market-wide level shift or Granger-causal link around 2020; significant links appear only for individual firms after their own structural breaks.