As technological advancements facilitate democratization of knowledge, Microblogging platforms are vying to become the premier source of knowledge and are competing with news outlets. A huge number of messages is generated on different microblogging platforms. In financial markets, microblogging...

Social Media has been a popular platform for individuals to share their opinions of financial markets. Meanwhile, journalists and analysts contribute to news media to express their analysis on financial securities. This research compares the effect of opinions expressed via social media and news...

The effect of social media sentiments on stock market returns is well-established. However, the quality of content and expertise of content creators vary on social media platforms, and the stocks vary in characteristics. In this research, we examine the effect of sentiment expressed in free...

Recent studies have investigated the effect of investors' opinions, or peer-based advice, available on social media platforms or stock discussion forums on the financial market. The researchers have been focusing on stock earnings surprises, abnormal returns and trading volume. But the jury is...

The rapid development of textual analysis techniques has paved the way for automatic sentiment analysis. Many studies have been focusing on using sentiments disclosed from social media to predict the financial market performance. However, the underlying value of the messages collected from...

The rapid development of textual analysis techniques has paved the way for automatic sentiment analysis. Many studies have been focusing on using sentiments disclosed from social media to predict the financial market performance. However, the underlying value of the messages collected from...