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Collaborative Speculation And Overvaluation: Evidence From Social Media, Adam Barrett Booker
Collaborative Speculation And Overvaluation: Evidence From Social Media, Adam Barrett Booker
Graduate Theses and Dissertations
I use data from StockTwits and Twitter to provide evidence that investor attention on social media in the period before earnings is related to short-term overvaluation, consistent with bullish investors herding around common information. In the 2 to 60 days after earnings, returns for companies in the highest quintile of pre-earnings announcement investor attention are 4.2 percent lower than those of companies in the lowest quintile. I find evidence that the negative post-earnings drift result found in this study is related to investors waiting until after earnings are announced to enact costly arbitrage strategies. I further examine intra- and inter-network …
Using Social Media Analytics: The Effect Of President Trump’S Tweets On Companies’ Stock Performance, Eric A. Fenn
Using Social Media Analytics: The Effect Of President Trump’S Tweets On Companies’ Stock Performance, Eric A. Fenn
Accounting
With the recent political development in the United States I was presented with a unique opportunity to examine social media’s influences on the stock market. Specifically, I analyzed the impact of tweets from President Trump’s official Twitter accounts from his election to the office to February 1st, 2019 that targeted a publicly traded company. I find that these tweets have a very minimal effect on companies’ stock prices, but there is a significant effect on the stocks’ trading volumes.