We study whether social media can play a negative information role by impeding price discovery in the presence of highly speculative rumors. We focus on merger rumors, where most do not materialize. We find that merger rumors accompanied by greater Twitter activity elicit greater immediate...

This research analyses the link between fundamental information, social media sentiment, and stock returns from 2010 to 2018. We are interested in whether social media sentiment provides additional information to already published fundamental information, such as financial information and...

We investigate the response of shareholders to Environmental, Social, and Governance-related reputational risk (ESG-risk), focusing exclusively on the impact of social media. Using a dataset of 114 million tweets about firms listed on the S&P100 index between 2016 and 2022, we extract...

This paper examines how information acquisition through social media affects venture capital (VC) investments into entrepreneurial startup firms. We collect a unique data set from Twitter API to measure the impact of owned social media (OSM) and earned social media (ESM) of portfolio companies...