FINANCIAL NEWS AND FINANCIAL MARKET: ESSAYS ON THE EFFECT OF PUBLICATIONS NEWS FOR BRAZILIAN STOCK MARKET
Capital Market; Financial News; Textual Complexity; News Sentiment.
This work will study how news interferes in the information acquisition and price formation process in the financial market, from a context in which agents value information constantly and continuously, our study asks how the complexity of the news, produced by dedicated communication channels, affects the consensus about asset prices. The present set of essays have two base approaches, the Theory of Information Acquisition in Dynamic Systems and the Frog in the pan Hypothesis, when put together two ideas about the information assimilation process in the financial market: the informativeness of prices with the entry of dynamic information through the interaction of investors. As a basis, the concept of complexity was used, which is measured by readability, and, in complementary, the feeling of journalistic texts to explain the information pricing process by investors. Firstly, we observe the relation of the news and volume traded together with the informativeness of the asset prices at the moment of a new information; then we will investigate the relation of managers' decisions about investment with the complexity and feeling of the news in order to identify communication noise between managers and investors; in the end we will analyze how order book is related to the occurrence of news about companies in the financial market. Web scraping was used to collect data and text mining to process and analyze the journalistic text, the news were collected from three sources: Valor Econômico, Exame and InfoMoney.