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The integrity of financial markets is threatened by a number of harmful practices. These are often generally described as ‘market abuse’. Market abuse comprises two practices: insider dealing and market manipulation. This thesis mainly explores market manipulation and the relevant Saudi law. Market manipulation was first regulated in 2003.1 It is therefore possible and useful for the purposes of this thesis, to distinguish between the pre- and post- enactment periods. This study has four main objectives. First, it will define market manipulation and describe its most common forms. Secondly, it will assess the application of Saudi civil and criminal law to market manipulation prior to the enactment of the Capital Market Law 2003. Thirdly, it will critically evaluate the application of this law to the different forms of market manipulation. Finally, it will assess how well the 2003 law is enforced. Different methodologies have been used to achieve these objectives with a focus on critical analysis and comparative study. The author has used the well-established US Securities Exchange Commission (SEC) and the UK Financial Services and Markets Act 2000 to evaluate the Capital Market Law 2003. Prior to the enactment of this law, there were almost no regulations dealing with market manipulation. The 2003 law is applicable to most forms of market manipulation with the exception of security price stabilization and forms manipulation. Penalties under Saudi civil law tend to be more lenient compared to the US and the UK and this may inhibit its deterrent effect. Also, Saudi judges generally tend to lack the necessary understanding of manipulative practices to enforce the law effectively. Therefore, the success of the 2003 law in deterring and punishing manipulative practices should be reassessed in a few years’ time, when there is more data to make an accurate evaluation.

Insider dealing on the basis of inside information has been identified as an action against the principle of equal access to information for all those who need such information to make investment decisions. This thesis examines the regulation of insider dealing in financial markets. It analyses in particular the problem of the regulation of insider dealing in the United Arab Emirates (UAE), the shortcomings of this regulation and how it can be improved. The primary objective of the thesis is to offer reasonable recommendations for the reform of insider dealing in the UAE. There have been controversies regarding whether insider dealing should be regulated, the basis of such regulation and the form in which the law should intervene. This thesis has attempted to provide its own approach to the problem of insider dealing. This approach forwards the proposition that allowing insider dealing on the basis of inside information is against the principle of equal access to information and it is detrimental to market transparency. Based on this proposition, the thesis investigates the shortcomings of the current regulation of insider dealing in the UAE. Following this the applied study, which consists of a questionnaire and interviews conducted in the UAE, provides a clearer picture of the current regulation in the country. The study aims at measuring opinions and attitudes of investors and other experts towards the basis and effectiveness of the regulation of insider dealing in local markets in the UAE. This is followed by a legal comparative study. This is both a ‘macro-comparison’ and a ‘micro-comparison’ between the regulation of insider dealing in the jurisdictions of the US, the UK and the Dubai International Financial Centre (DIFC). The ‘macro-comparison’ draws conclusions from comparing the broader systems of regulation in the three jurisdictions. The ‘micro-comparison’ concentrates on a functional comparison between the specific rules related to insider dealing. The legal comparative study is combined with the information generated by the applied study. Together these provide solutions (represented as recommendations) for the reform of the UAE larger system of regulation, and amendments to the rules related to insider dealing.

Le préjudice de l'actionnaire est un sujet encore peu étudié en France alors qu'il soulève de nombreuses interrogations. A l'inverse de nombre de solutions reçues dans les droits étrangers, le droit français n'admet que peu sa réparation tant il reste lié à la distinction jurisprudentielle fondamentale entre préjudice purement personnel (réparable) et préjudice simple corollaire du préjudice social (non réparable). Pourtant, cette distinction n'est pas des plus satisfaisantes ni sur le plan théorique, ni sur le plan pratique. Elle est en outre remise partiellement en cause dès lors que le préjudice trouve sa source dans une infraction pénale, telle que la communication d'informations mensongères. Par ailleurs, l'internationalisation des mouvements de capitaux soulève de plus en plus fréquemment la question de la loi applicable ou du juge compétent (judiciaire ou arbitral également) relativement aux actions en justice des actionnaires. Cette étude se propose dès lors de fournir une appréciation critique du droit positif afin de tenter l'élaboration d'un droit prospectif. Les solutions existantes peuvent-elles et doivent-elles changer ? Pour adopter quel type de solutions ? / The subject of shareholder damages has seldom been studied in France. Nonetheless, it is a topic of much discussion and debate in legal circles. Unlike under some foreign laws, French law rarely permits the direct compensation of shareholder damages because of the summa divisio between the personal damage (recoverable) and the damage of the company (not recoverable). However, this distinction is not relevant both in terms of theory and practice. More doubt is cast on this distinction where the potential damage arises from an infringement of the penal law, such as the use of false or misleading information to induce shareholder reliance or action. Furthermore, the internationalisation of capital introduces conflicts of law and jurisdictional questions, asking the courts to first determine whether they are the proper authority to hear a shareholder’s case, and which nation’s laws to apply.This study presents a critical analysis of the positive law and proposes avenues of reforming French laws concerning shareholder damages. Should the existing remedies be changed ? Which remedies should be adopted to reverse the strict trends in French law against adequately compensating shareholders’ losses ?

Final qualifying work (master's thesis) is devoted to the reserching of the methods of identifying the manipulations that undermine the effectiveness of the stock market. The subject of the research is the way of identifying manipulative transactions in the stock market of Russia. The main purpose of the research is the development of specific proposals and the selection of statistical methods relevant for the Russian stock market to improve the existing system of state control aimed at identifying various types and methods of manipulative trading in the stock market. In conclusion, practical steps for the strengthen of the stock market of the Russian Federation are formulated. / Выпускная квалификационная работа (магистерская диссертация) посвящена изучению методов выявления манипуляций, подрывающих эффективность фондового рынка. Предметом исследования выступают методы выявления манипулятивных сделок на российском фондовом рынке. Основной целью исследования выступает разработка конкретных предложений и выбор статистических методов, релевантных для российского фондового рынка, для совершенствования существующей системы государственного контроля, направленной на выявление различных видов и способов манипулятивной торговли на фондовом рынке. В заключении сформулированы практические шаги по укреплению фондового рынка Российской Федерации.