Does Twitter Affect Stock Market Decisions? Financial Sentiment Analysis During Pandemics: A Comparative Study of the H1N1 and the COVID-19 Periods.
David Valle-CruzVanessa Fernandez-CortezAsdrúbal López ChauRodrigo Sandoval-AlmazánPublished in: Cogn. Comput. (2022)
Keyphrases
- stock market
- sentiment analysis
- public health
- social media content
- public opinion
- opinion mining
- micro blog
- stock price
- financial data
- short term
- sentiment classification
- text classification
- decision making
- stock market data
- financial news
- financial time series
- stock index futures
- social media
- sentence level
- financial markets
- stock trading
- stock data
- listed companies
- trading rules
- natural language processing
- stock exchange
- neural network
- stock returns
- text mining
- garch model
- online reviews
- micro blogging
- trading systems
- long term
- portfolio optimization
- financial information
- artificial intelligence
- machine learning
- information retrieval
- sentiment lexicon
- natural language
- product reviews