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The Effects of Rumors on Stock Prices: A Test in an Emerging Market

Yan ZHANG, Hao-jia CHEN
2017 DEStech Transactions on Social Science Education and Human Science  
The purpose of this study is to investigate the effect of rumors (released on the web) in the stock market on common stock returns traded in the Shenzhen and Shanghai Stock Exchange.  ...  Furthermore, the difference of type of rumors may be an important explanation of the price movement.  ...  Xiaolan Yang et al. (2014) analyze the effects of official rumor clarification on Chinese stock returns under different market conditions.  ... 
doi:10.12783/dtssehs/aeme2016/7479 fatcat:lr7ys2jhebdapbln7mno263ntq

Can Rumor Clarification Eliminate the Effects of Rumors?

Peinan Ji, Xiangbin Yan, Guang Yu
2020 International Journal of Asian Business and Information Management  
This article analyzes the effects of rumor and official rumor clarification on Chinese stock returns under different rumor conditions using an event study.  ...  The results are based on a sample of 832 rumor clarification announcements from China Listed Companies spanning the period of 2015 to 2017.  ...  ACKNowLEdGMENT This work was supported by the National Natural Science Foundation of China under Grant No.71531013;71490720;71401047.XiangbinYanisacorrespondingauthoronthispaper.  ... 
doi:10.4018/ijabim.2020010103 fatcat:tpdaovy3yzbtxbcoduz2od44sm

The Event Research in the Effect of Clear Rumor Declarations on Abnormal Stock Returns Behavior

Javid Hatam, Maryam Bokharaeian Khorasani, Arash Naderian, Jamadori Gorganli Doji
2021 Iranian journal of finance  
In this research, the impact of clear rumor declarations on the measurement of abnormal stock returns behavior has been investigated in Tehran Stock Market by means of event research so that to reveal  ...  Confirmation of good rumors has increased the efficiency of abnormal stock returns 10 days after the date of the given declaration and approval of bad rumors has led to reducing the efficiency of abnormal  ...  The Event Research in the Effect of Clear Rumor Declarations … Using an event research study, Peinan J. et al. (2020) explored the effects of rumor and formal rumor disambiguation on Chinese stock returns  ... 
doi:10.30699/ijf.2021.256891.1173 fatcat:orsi3gcwn5h7nkk2er23h7qai4

A Study of Impact on the Changes of Telecom Price Policy

Wei Ming, Yang Shu-e, Wang Gui-pu
2006 2006 International Conference on Management Science and Engineering  
China Unicom); while operating environment and the performance changes have more influence on the stock price of early listed company of China Mobile.  ...  It is concluded that industrial policies have more distinct impact on the stock price of later listed company (i.e.  ...  According to the rules of which comes out firstly, and the hypothesis that the same event gives the similar effect on Chinese telecommunication market, we set first announcement day as event day.  ... 
doi:10.1109/icmse.2006.313884 fatcat:2tzr4zq7nfcxfa4wejd65kuhs4

Modeling and Prediction of Stock Price with Convolutional Neural Network Based on Blockchain Interactive Information

Wei Zhang, Ke-xin Tao, Jun-feng Li, Yan-chun Zhu, Jing Li, Hongju Cheng
2020 Wireless Communications and Mobile Computing  
on the stock price.  ...  predictions on stock prices according to the emotional tendency of interactive information.  ...  Acknowledgments This work was supported by the National Natural Science  ... 
doi:10.1155/2020/6686181 fatcat:i5komt5pnzazxkh2x5dwbrqzma

Detecting and explaining changes in various assets' relationships in financial markets [article]

Makoto Naraoka, Teruaki Hayashi, Takaaki Yoshino, Toshiaki Sugie, Kota Takano, Yukio Ohsawa
2020 arXiv   pre-print
Second, we calculate Graph-Based Entropy to represent the variety of price changes based on the network.  ...  By the method described above, we can visualize when and what kind of changes are occurring in the financial market, and which assets play a central role in changes in financial markets.  ...  February 27, 2007 was known as the day of "the Chinese Stock Bubble of 2007".  ... 
arXiv:2005.10603v4 fatcat:khi4svnyzze2pi6m4ht2dnah4y

Reputational Sanctions in China's Securities Market

Benjamin L. Liebman, Curtis J. Milhaupt
2007 Social Science Research Network  
Based on both event study methodology and extensive interviews of market actors, we find that the public criticisms have significant effects on listed companies and their executives.  ...  Literature suggests two distinct paths to stock market development: an approach based on legal protections for investors, and an approach based on self-regulation of listed companies by stock exchanges  ...  are doing some regulatory work in the Chinese stock market.  ... 
doi:10.2139/ssrn.999698 fatcat:hdfi2fcmsbbzbldlpur3cocn5u

Sharing or Not: Psychological Motivations of Brand Rumors Spread and the Stop Solutions

Xu Zhang, Hong Zhu, Yu Hwang, Chuqu Xiao
2022 Frontiers in Psychology  
Building on the social contagion theory, the current research enriches the discussion on understanding why people spread rumors and how to deal with the spreading of rumors.  ...  Furthermore, the findings help to understand the psychology of configurational motivation and how it can help brands reduce the spread of brand rumors.  ...  However, the sole focus on the net effect of one or more psychological factors on individuals sharing rumors ignores the fact that various factors influence the spread of individual rumors; this cannot  ... 
doi:10.3389/fpsyg.2022.830002 pmid:35444586 pmcid:PMC9015072 fatcat:y3xpwgul6je7fnohe2bvgcrytu

Takeovers, Secrecy, and Conflicts of Interest: Problems for Boards and Banks

Klaus J. Hopt
2002 Social Science Research Network  
In the fi rst, the relevant information has an impact on the price of the securities of the group member.  ...  This can be done by Chinese walls, the principle of general incompatibility, or rules of special incompatibility.  ...  Under this view, what counts alone is the probable impact on the stock market.  ... 
doi:10.2139/ssrn.343520 fatcat:t3tid6vht5a65aw3xr5tamqnba

Imbalances in China and U.S. Capital Flows

John Tatom
2008 Social Science Research Network  
Thus, a policy of appreciation of the yuan would have little effect on the U.S. trade imbalance and it could have serious adverse risks on the Chinese economy within a few years.  ...  Haier was rumored in the financial press to be acquiring GE's small appliance division and Lenovo is rumored to be acquiring the remainder of IBM's consumer products division.Earlier notable Chinese investments  ... 
doi:10.2139/ssrn.1305387 fatcat:ivemso5sczeopds4hvngcu6tbq

Research on the Influence Mechanism of Epidemic Information Disclosure on Screening Authenticity Information

Xiaohui Huang, Gang Li, Yu Wang, Xiaohui Li
2021 Procedia Computer Science  
Combined with the relevant data from the Open Data Network of Shandong and Jinan and the attention of hot news events on the Internet since the outbreak of the epidemic, it is proposed that information  ...  The influence mechanism of epidemic information disclosure on the identification of true and false information was studied, and the influencing factors of epidemic information disclosure were analyzed  ...  It will also have a feedback effect on individual actions. (3)Concealment.  ... 
doi:10.1016/j.procs.2021.04.040 pmid:34149966 pmcid:PMC8197418 fatcat:ogbgdd6cabek5fcbmq65j4reku

Information Disclosure in Global Energy Governance

Ann Florini, Saleena Saleem
2011 Global Policy  
The lack of global consensus on how to deal with complex energy governance challenges has led to the emergence of information disclosure initiatives as governance tools in and of themselves.  ...  This article assesses the effectiveness of disclosure mechanisms as tools of energy governance by looking at the motivations and desired outcomes behind a series of disclosure-based initiatives in the  ...  However, the activities of the foreign subsidiaries of Chinese national oil companies outside Chinese borders will have a bearing on China's overall oil figures; in some cases some of the oil produced  ... 
doi:10.1111/j.1758-5899.2011.00135.x fatcat:bqelvivu2bdwfflw243giosntq

People's Republic of China: Detailed Assessment Report on the Observance of Standards and Codes

International Monetary Fund.
2017 IMF Staff Country Reports  
Before 17 November 2014, foreign investors only had exposure to Chinese equities via Chinese listings on the Hong Kong Stock Exchange.  ...  This is one factor that likely contributed to high levels of market volatility, for example in 2015, as retail investors tend to react in large numbers to information or market rumors, and the market discipline  ... 
doi:10.5089/9781484331156.002 fatcat:pvr4uf2nwfes3ohglusxajwtvu

Games without Frontiers: Trends in the International Response to Insider Trading

Harvey L. Pitt, David B. Hardison
1992 Law & Contemporary Problems  
market on a domestic stock exchange.  ...  of Daimler-Benz's offer, the price of AEG's stock surged twenty-eight percent on active trading. 08 The lack of effective enforcement of the Guidelines to date has led one German legal expert to conclude  ... 
doi:10.2307/1192109 fatcat:p7o3t5dy3jd2ja4qhwqe5tdkze

The Role of Law in China's Economic Development

Donald C. Clarke, Peter Murrell, Susan H. Whiting
2006 Social Science Research Network  
While the Chinese stock market is, at the time of this writing, languishing, corporate governance, while poor today, is arguably better than in the past when the stock market was booming.  ...  simply on rumors. 46 The importance of these problems is less clear.  ... 
doi:10.2139/ssrn.878672 fatcat:2vlso2viz5exdevwhd775cw4va
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