Retraction notice to “Expiration hour effect of futures and options markets on stock market”—A case study on NSE (National Stock Exchange of India) [REVECO 18/3 (2009) 381–391]

2014 ◽  
Vol 30 ◽  
pp. 149
Author(s):  
Hiren M. Maniara ◽  
Rajesh Bhatta ◽  
Dharmesh M. Maniyar
Author(s):  
Ruben Lee

This chapter presents a series of case studies illustrating how specific exchanges have actually been governed in particular contexts. The following institutions and contexts are described in turn: the proposed iX merger between Deutsche Börse and the London Stock Exchange (LSE), and its subsequent collapse, in 2000; the “Penny Stocks Incident” at Hong Kong Exchanges and Clearing Ltd. in 2002; the attempted takeover of the LSE by NASDAQ over the period 2006–8; Euronext's purchase of London International Financial Futures and Options Exchange in 2001; the resignation of the chairman/CEO of the New York Stock Exchange in 2003; and the purchase by the “Murakami Fund” of a major block of shares in the Osaka Securities Exchange in 2005. A few brief general lessons from each case study are also identified.


2013 ◽  
Vol 25 (3) ◽  
pp. 187-193 ◽  
Author(s):  
Fábio Marques da Cruz ◽  
Maria Yêda Falcão Soares de Filgueiras Gomes

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 provided by the stock exchange. The communications in which Petrobras provides clarifications regarding unofficial information disclosed in the press were also collected from the stock exchange website. The analysis of these documents helped to create a diagram to represent the information about the rumors and categorize them by subject. This diagram was applied to a database to store the information collected from the company’s communications. Then this information was retrieved to analyze the influence of rumors on price movements. The results confirm that the company’s responses to rumors influence price fluctuations of its stock. At eagerness for information to dilute uncertainty, investors make decisions based on rumors betting on the credibility of the media that disclose them, even though knowing that the information is not always reliable.


2019 ◽  
Vol 1 (1) ◽  
pp. 82-92
Author(s):  
Ardy Indra Lekso Wibowo Putra ◽  
Aditya Dwiansyah Putra ◽  
Murni Sari Dewi ◽  
Denny Oktavina Radianto

An investor must be able to consider all kinds of steps that will be taken or that will be carried out, assessing stocks - shares that will provide optimal benefits in making an investment decision. By analyzing the intrinsic value of the price of a company's stock, investors can assess the fairness of the stock price. The method used to analize intrinsic value is fundamental analysis using the Price Earning Ratio (PER) approach. The samples to be taken in this research are manufacturing companies in Indonesia which are listed on the Indonesia Stock Exchange (IDX) for the period 2016 - 2017 with certain criteria. The results of this research will show that the shares of companies listed are in overvalued, undervalued or correctly valued conditions. So investors can decide to buy, hold or sell their shares.


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