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The rapid development of Islamic banking in Indonesia faces significant challenges in maintaining liquidity and profitability amidst dynamic capital market conditions. The urgency of this study arises from the need to examine whether traditional financial ratios, such as the Financing to Deposit Ratio (FDR) and Return on Equity (ROE), play a decisive role in influencing investment decisions, which are proxied by the Price to Earning Ratio (PER). The main objective of this research is to empirically test the effect of liquidity and profitability, both partially and simultaneously, on investment decisions in Islamic commercial banks listed on the Indonesia Stock Exchange during the 2021–2025 period. This study adopts an associative design with a quantitative approach, utilizing secondary data from financial reports obtained from the IDX, and analyzed using multiple linear regression on 68 observation samples. The findings reveal that neither liquidity nor profitability significantly influence investment decisions, either partially or simultaneously. These results suggest that investors in the Islamic banking sector tend to prioritize non-financial factors such as sharia compliance, governance, macroeconomic conditions, and ESG trends, rather than conventional financial indicators. In conclusion, this research extends the understanding of the limitations of Signaling Theory in the sharia context and recommends the development of a more holistic investment evaluation model. Future studies are encouraged to incorporate non-financial variables for a more comprehensive analysis.

Internal trafficking or insider trading is a form of prohibited securities transactions in the capital market, because it violates the principle of transparency which is the main basis for capital market activity.  The background of this study is the rise of insider trading practices in securities trading activities.  The main purpose of this study is to analyze how the completion system of the practice of insider trading is running and how legal protection can be given to investors who are victims.  This study uses a normative juridical approach by comparing applicable regulations.  The results of the study show that investors who suffer losses due to insider trading can file a lawsuit against the law as a legal step to obtain legal protection

Indonesia's Sharia capital market has experienced significant growth in the past decade, along with rising public awareness of Islamic economic principles and the adoption of digital technologies. This study aims to analyze the role of digital transformation in supporting the development of the Sharia capital market and to identify structural challenges, particularly in regulatory, financial literacy, and cybersecurity aspects. The methodology used is descriptive qualitative with a literature study approach, drawing on secondary data from reputable journals and official publications from OJK and the Indonesia Stock Exchange. The results indicate that while technological transformation has opened significant opportunities such as increased financial inclusion and youth investor engagement, the Sharia capital market still faces serious challenges related to unadaptive regulations, cyber threats and low investor literacy. This study recommends synergy between regulators, industry players and educational institutions to strengthen a sustainable Sharia capital market ecosystem.    

White collar crime is increasingly prevalent in various corporate sectors and causes significant financial losses and damage to public trust. This type of crime includes embezzlement of funds, manipulation of financial statements, bribery, insider trading in the capital market, and theft of customer personal data. Although it occurs a lot, the prevention of white collar crime is still not optimal and the perpetrators are rarely prosecuted properly. This paper aims to analyze the various determinants that influence the occurrence of white collar crime in order to formulate policy recommendations and prevention strategies in the future. A systematic approach is used by applying the fraud triangle theory which focuses on the three main elements that cause fraud, namely pressure, opportunity and rationalization. The results of the study show that pressure to meet high performance targets and large bonuses often encourage individuals to commit fraud. Meanwhile, weak supervision and lack of transparency create opportunities for fraud. Perpetrators also often justify their actions, for example by assuming that they will not be caught or the value of the loss is small. The complexity of modern corporate operations also increases opportunities for white-collar crime. Effective prevention efforts must be comprehensive by involving various parties and strengthening a number of aspects as controls. The role of internal and external supervisors (auditors) of companies needs to be continuously improved, supported by modem fraud detection technology tools. Whistleblowing mechanisms need to be strengthened in every company and kept confidential to encourage early reporting of fraud indications.