Flash Trading: Stock Market Reactions to Reuters and Bloomberg Tweets

• In Event: ICA Plenary Interactive Paper/Poster Session I
  In Interactive Paper Session: Public Relations Interactive Poster Session

Abstract

This study will analyse online financial news manually and on a large scale, providing insights about the effects of the versatility of financial information on global stock market indices. More precisely, we will study 12,085 tweets from Reuters and Bloomberg within a period of 20 trading days and their effects on global stock market indices on a short time interval (20 minutes). Within the scope of our analysis we will try to unravel the influence of various facets of financial news, including news volume, relevance, sentiment, emotions, the presence of expert opinions, focus of the news (company, industry, market), and corporate information. In studying the actual content of tweets, we advance previous studies on social media content and market reactions, accounting for the multidimensionality of financial news.

Authors

• Nadine Strauss, University of Amsterdam

• Rens Vliegenthart, U of Amsterdam

• Piet Verhoeven, U of Amsterdam