The Role of the Media in Disseminating Insider Trading News

April 2, 2013 Leave a comment

The Role of the Media in Disseminating Insider Trading News

Jonathan L. Rogers University of Chicago – Booth School of Business

Douglas J. Skinner The University of Chicago – Booth School of Business

Sarah L. C. Zechman University of Chicago – Booth School of Business

March 1, 2013
Chicago Booth Research Paper No. 13-34
Fama-Miller Working Paper 

Abstract: 
We use the disclosure of insiders’ trades to investigate whether the way in which news is disseminated by the media affects the market response. To do this, we use recent changes in the disclosure rules governing insider trades and an exogenous change in media coverage to cleanly identify media effects. Using high-resolution intraday data and a plausibly exogenous change in media coverage, we find clear media effects in the price and volume response to news. These results help resolve open questions regarding the importance of investor inattention and help explain why apparently “second hand” news affects securities prices.

Filed under Research

About bambooinnovator
Kee Koon Boon (“KB”) is the co-founder and director of HERO Investment Management which provides specialized fund management and investment advisory services to the ARCHEA Asia HERO Innovators Fund (www.heroinnovator.com), the only Asian SMID-cap tech-focused fund in the industry. KB is an internationally featured investor rooted in the principles of value investing for over a decade as a fund manager and analyst in the Asian capital markets who started his career at a boutique hedge fund in Singapore where he was with the firm since 2002 and was also part of the core investment committee in significantly outperforming the index in the 10-year-plus-old flagship Asian fund. He was also the portfolio manager for Asia-Pacific equities at Korea’s largest mutual fund company. Prior to setting up the H.E.R.O. Innovators Fund, KB was the Chief Investment Officer & CEO of a Singapore Registered Fund Management Company (RFMC) where he is responsible for listed Asian equity investments. KB had taught accounting at the Singapore Management University (SMU) as a faculty member and also pioneered the 15-week course on Accounting Fraud in Asia as an official module at SMU. KB remains grateful and honored to be invited by Singapore’s financial regulator Monetary Authority of Singapore (MAS) to present to their top management team about implementing a world’s first fact-based forward-looking fraud detection framework to bring about benefits for the capital markets in Singapore and for the public and investment community. KB also served the community in sharing his insights in writing articles about value investing and corporate governance in the media that include Business Times, Straits Times, Jakarta Post, Manual of Ideas, Investopedia, TedXWallStreet. He had also presented in top investment, banking and finance conferences in America, Italy, Sydney, Cape Town, HK, China. He has trained CEOs, entrepreneurs, CFOs, management executives in business strategy & business model innovation in Singapore, HK and China.

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