We examine COVID-19 related topics discussed in the printed edition of the Wall Street Journal. Using text analytics and topic modeling algorithms, we discover 15 distinct topics and present differences in their sentiment (polarity) and hype (intensity of coverage) trends throughout 2020. Importantly, the hype of the topic, not the sentiment, relates to stock market returns. In particular, the hype scores for Debt market and Financial markets have the strongest positive relation to the stock market performance.

中文翻译：

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COVID-19 大流行期间商业媒体话题和股市回报的情绪和炒作

我们研究了《华尔街日报》印刷版中讨论的 COVID-19 相关主题。使用文本分析和主题建模算法，我们发现了 15 个不同的主题，并展示了它们在整个 2020 年的情绪（极性）和炒作（覆盖强度）趋势的差异。重要的是，主题的炒作，而不是情绪，与股市回报有关. 特别是，债务市场和金融市场的炒作得分与股市表现具有最强的正相关关系。