While investors in financial markets have access to information from both mass media and social media, trading platforms that curate and provide this information have little to go by in terms of understanding their relative value. This research note compares social media with mass media in the...

Over the past two decades, substantial research has established the importance of sentiment in financial markets. We know that sentiment impacts investor decisions; because of advanced text mining and sentiment analysis techniques, automated trading strategies based on sentiment are prevalent....

We explored in this study the impact of social media on the viewership of mass media news in the stock market. We argue that the popularity of a topic on social media can affect the viewership of news articles the next day on this same topic. Moreover, the detailed characteristics of how social...