The influence of rumors in the stock market: a case study with Petrobras
This paper analyzes the influence of rumors on price fluctuations in the Stock Exchange of São Paulo between 2007 and 2011, through a case study with Petrobras, a company whose stock had the largest trading volume within the period. For this purpose we used the historical prices of cash market provi...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Pontificia Universidade Católica de Campinas
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| Series: | Transinformação |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-37862013000300001&lng=en&tlng=en |