2009
DOI: 10.2469/faj.v65.n3.7
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Do Security Analysts Reduce Noise?

Abstract: (2005) has observed that, even after adjusting for beta, market model residuals are highly volatile, with annualized standard deviations of between 30 and 40 percent. This volatility is the result of price fluctuations caused by companyspecific news and random variation. Random variation, also known as noise, results, in part, from the trades of "mistaken investors" who trade on secondhand news and rumors as if they were information (Friedman 1953).

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Cited by 30 publications
(11 citation statements)
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“…Stocks followed by more analysts commove more in the US (Piotroski and Roulstone 2004) and elsewhere (Chan and Hameed 2006); and changes in their fundamentals also correlate more closely with changes in the fundamentals of more other firms (Hameed, Morck, and Yeung 2005). All these findings are consistent with Veldcamp 2006; as is evidence that analysts' forecasts contain mainly industry and economy-level information (Schutte and Unlu 2009;Crawfordet al 2012). 2 Presumably, firm-specific information enters stock prices via other channels.…”
Section: Private Information-based Arbitragesupporting
confidence: 74%
“…Stocks followed by more analysts commove more in the US (Piotroski and Roulstone 2004) and elsewhere (Chan and Hameed 2006); and changes in their fundamentals also correlate more closely with changes in the fundamentals of more other firms (Hameed, Morck, and Yeung 2005). All these findings are consistent with Veldcamp 2006; as is evidence that analysts' forecasts contain mainly industry and economy-level information (Schutte and Unlu 2009;Crawfordet al 2012). 2 Presumably, firm-specific information enters stock prices via other channels.…”
Section: Private Information-based Arbitragesupporting
confidence: 74%
“…Schutte and Unlu proved that analysts coverage helps investors gauge the information content of companyspecific news and reduce the proportion of noise-motivated trades, they results confirm traditional views of the role of analyst research as an instrument for investors to better understand the informational content of company-specific news [24]. It means that analysts coverage improve stock price informativeness and reduce information asymmetry.…”
Section: B Stock Price Informativeness and Information Asymmetrymentioning
confidence: 57%
“…Healy and Palepu (2001) find that analysts act as information intermediaries and are involved in production of private information which helps detect any mismanagement by a firm's manager. Also, Schutte and Unlu (2009) suggest that the noise associated with stock price fluctuations is reduced, when analyst coverage is higher. Yu (2008) finds that firms with higher analyst coverage have lesser earnings management, suggesting that analysts process private information which the management of a firm may not release.…”
Section: Interpreting the Resultsmentioning
confidence: 99%