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This purpose of this study is to empirically investigate the investors overreaction and underreaction behaviours across the sectoral stock indices in the Indonesian stock market.

Nine weekly sectoral stock indices, comprising agriculture; mining; basic industry and chemicals; miscellaneous industry; consumer goods industry; property and real estate; infrastructure, utilities and transportation; finance; and trade, service and investment for the period 2009-2012 were analysed using the paired dependent sample t-test. To provide more insightful empirical evidence, the presence of market anomaly of investor’s overreaction and underreaction was examined on five observations with different vulnerable times.

The study documented that the overreaction anomaly was present among the winner portfolios in the entire sectoral indices. With the exception of the sectoral index of basic industry and chemicals on the loser portfolio, the study documented the presence of underreaction anomaly among all other sectoral indices in Indonesia. These findings implied that the investors might be able to gain significant profits investing their monies in the sectoral stock market in Indonesia by implementing the contrarian strategy.

Originality in this paper lies in the discussion of overreaction of investors in Indonesia where the stock market has great potential and has different characteristics and different problems from other regions.

This study aims to examine whether limited attention leads to the market underreaction to earnings announcement and 10‐K filings.

This is an empirical study involving statistical analysis of a large sample of data, obtained from Compustat, CRSP and Xignite Inc. Both portfolio analysis and multivariate regressions are used in hypotheses testing.

The following key findings are presented in the paper. First, we show that among large firms, investors under‐react more to the information contained in 10‐K filings than earnings announcements. Second, underreaction to earnings announcements tends to be stronger for small firms than large firms. Third, we find that companies report their earnings and 10‐Ks earlier when there is a higher demand for such information, and document a negative relationship between the degree of underreaction and the timeliness of such information release. Finally, we show that the recent ruling by SEC to accelerate 10‐K filing has little impact on the degree of investors' underreaction to 10‐K information.

The findings of this study suggest that investors' failure to devote enough attention to an economic event leads to underreaction, and the degree of underreaction is negatively correlated with the amount of investor attention.

Investors need to periodically reassess the informational contents of economic events, and allocate their attention accordingly, in order to avoid underreaction.

This study analyzes and the roles of limited attention in determining the degree of investor underreaction to earnings announcement and 10‐K filings. The comparison of the two related but distinct financial reporting events yields interesting insights.

Based on the theory of limited attention, the purpose of this paper is to investigate whether the investor behavior is influenced by attention, using the sample from earning announcement in China.

Empirical research using the earning announcement data in China. Specifically, the authors use the sample from 2005 to 2010 in listed A-share firms with earning announcements in Shanghai and Shenzhen stock market. Panel data regressions are used with Newey and West (1987) to correct for the potential heteroskedasticity and autocorrelation. The empirical results strongly support the hypothesis that limited attention impact investor behavior in China.

The authors find that the immediate price and volume reaction to earning surprise is much weaker and post-announcement drift is much stronger when a greater number of firms make earning announcements on the same day. The authors explain these findings mainly from behavioral bias. When investors process multiple information signals immediately or perform multiple objects simultaneously, their attention will be allocated selectively due to cognitive constraints. Such limited attention causes severe underreaction to immediate earnings announcement, therefore leads to mispricing abnormal related to public accounting information. In the long-run, the market adjusted and there is post-announcement drift.

Consistent with Hirshleifer et al. (2009), the findings in this study indicate that individual investors’ behaviors are influenced by their limited attention in China. The results are different from Yu and Wang (2010) conclusions that same-day concentrated announcement help investors and facilitate information dissemination in China. The findings are explained by the investor distraction hypothesis proposed by Hirshleifer et al. (2009) that investor distraction causes market underreaction.

The arrival of simultaneously extraneous earning information cause market prices and trading volume to react slowly to the relevant news about a firm because competing information signals distract investor from a given firm, causing market price to underreact to relevant news. These finding help us understand investor behavior and the impact of limited attention on security market.

Investor limited attention not only affects their stock-buying behavior, but also has an important impact on the efficiency of security market. Specifically, limited attention drive immediate underreaction to earning announcement and the post-earning announcement drift, especially when a greater number of same-day earning announcements are made by other firms.

Limited attention affects security market in China.

Purpose – This study examines both the short- and long-term share price reaction to announcements of financial restatements cited in the U.S. General Accounting Office (2006) database.

Methodology – It uses the augmented four-factor Fama-French model for assessing share price reaction.

Findings – The study finds that the average cumulative abnormal return (CAR) for a sample of 553 restatements (by 437 companies) is significantly negative (−1.58) for the three-day window surrounding the day of announcement. The average CAR for the one-year period prior to the announcement (−9.6%) and for each of the four years after the announcement is negative as well, with the average CAR for the four years adding up to −22%. The study also documents differences in CARs based on the entity prompting the restatement (company, auditor, and Securities and Exchange Commission), the reason behind the restatement (revenue, cost, reclassification of item, etc.), and for one-time versus repeat offenders.

Social implications – Taken together, the findings indicate that financial restatements impose significant short-term as well as long-term costs on shareholders.

Originality/Value – The evidence about long-term share price reaction to financial restatements is missing in prior research. The relationship between long-term and short-term share price reaction to financial restatements fails to suggest systematic over/underreaction by the market.

The purpose of this paper is to use the Barberis et al. (1998)’s valuation model to calculate the fundamental value of a stock and examine whether the differences between predicted and realized stock prices are explained both by psychological factors (that affect investor reaction to information) and by key macroeconomic variables.

This paper adopts a time-series analysis, as well as a panel data approach, to examine whether the price deviations from fundamental values are because of macroeconomic and psychological factors, using data from the London Stock Exchange.

The results indicate that these differences are explained by important macroeconomic variables, as well as by the sentiment of investors (that is used as a proxy of the psychological factors).

Based on the above results, this paper suggests that the price deviations from fundamental values are not treated as model estimation errors as proposed by Penman and Sougiannis (1998) but rather as deviations that are because of psychological factors, as well as to macroeconomic conditions.

The purpose of this paper is to review the insights provided by behavioral finance studies conducted in the last decade (2006-2015) examining behavioral variables in financial decision making.

The literature review assesses 623 qualitative and quantitative studies published in various international refereed journals and identifies possible scope of future work.

The paper identifies stock market anomalies which contradict rational agents of modern portfolio theory at an aggregate level and behavioral mediators, influencing the financial decision making at an investor level. The paper also attempts to classify different dimensions of risk as professed by the investor.

The authors synthesize the contribution made by behavioral finance studies in extending the knowledge of financial market and investor behavior.

The purpose of this paper is to reexamine the stock price drifts after open-market stock repurchase announcements by differentiating actual repurchases from repurchase announcements and by controlling for the repurchasing firms’ earnings improvement in the announcement year relative to the prior year.

The authors use the calendar-time method and matching method based on different criteria to calculate the post-announcement abnormal returns.

The results show that only firms actually repurchasing their shares exhibit a positive post-announcement drift. More importantly, the authors find that these repurchasing firms have the same post-announcement drift as their matching firms that have similar size and earnings performance but do not repurchase. This supports the argument that the post-repurchase announcement drift found in previous studies is not a distinct anomaly but the post-earnings announcement drift in disguise.

The post-repurchase announcement drift found in previous studies is the post-earnings announcement drift in disguise.

The study shows that because high earnings performance positively relates to real repurchase activities, controlling for earnings performance in examining whether a drift occurs after repurchase announcements.

Building upon the framework of the tradeoff model of capital structure and motivated by the equity market timing theory, we examine whether equity misvaluation is a source of adjustment “costs” that will affect a firm’s leverage adjustment speed toward target. We also investigate whether the quality of a firm’s long-term growth options will influence the decisions of managers to exploit the mispriced equity to converge to the optimum. Using a sample of listed Taiwanese firms during 1992–2014 and employing the market-to-book decomposition as developed by Rhodes-Kropf, Robinson, and Viswanathan (2005), we find that overleveraged and overvalued firms demonstrate faster adjustment speed than overleveraged but undervalued firms. Furthermore, controlling for the misvaluation status, high-growth firms converge to target faster than their low-growth counterparts. The effect of growth options on the relation between equity mispricing and adjustment speed does not mirror the effect of financing deficits. With the detailed financial information of the local companies across a rather long time series, this study provides incremental inputs to the literature of capital structure from the determinants of target leverage, the estimation of leverage adjustment speeds, to the identification of the sources of adjustment costs in an emerging market where institutional environment is strikingly different from the US.

This study aims to diagnose the global key contributors in the stock market manipulation studies during the past four decades.

The database search is based on the terms used in the existing body of knowledge. Using the bibliometric tools and techniques on the Scopus database, the study assessed and analysed the productivity of research studies, as well as the influence of the authors, publications, journals, affiliated institutions and countries.

This paper finds the USA as the leading country investigating this area, almost capturing 40% of the research studies in finance, moreover, a huge number of co-authors. Financial crises in the late 1990s and 2008 is observed as one of the main reasons for this intriguing research. The Journal of Finance is spotted as the most persuasive journal with the highest cite score and an unprecedented number of citations. The analysis of keywords engendered that most of the stock market manipulation studies are event-based studies. Seminally unique scientometric analysis revealed that the significance of stock market manipulation was mainly captured by event-based studies, insider trading and pump and dump schemes studies. However, much remained untapped to articulate the bridging scope of technology and media with stock market behaviour and manipulations.

The research only includes the Scopus database, however, incorporates 81% relevant study.

This study reckons that technology-based manipulations are emerging themes in this research field which invites the applied research to have productive outcomes.

The intriguing study incorporates a maximum number of the relevant literature and used a comprehensive technique for the selection of dataset in Scopus.

The assumption of variable asset supply is incorporated into the standard capital asset pricing model because of consistent and strong empirical results showing that equity is issued when share prices are high. The results of the model show that the “beta” of the asset is influenced by both its demand and supply functions. Available empirical evidence suggests that the supply of corporate equity, over a time period of a year, is inelastic and that demand is elastic. More empirical research is needed.