Amici are law and business professors who focus their teaching and scholarship on federal securities law, the financial markets and accounting. They submit this brief to clarify the contours of the modern securities market for the Court’s benefit, and explain how modern computing power and...

This Article addresses an important question in modern antitrust: when large investment funds have holdings across an industry, is competition depressed?The question of the impact of common ownership on competition has gained much attention as the role of institutional shareholding has grown,...

Nearly a century after the United States enacted its first securities laws, urgent questions remain as to the scope of manipulation law: whether manipulation is possible in principle, and if so, how the law should respond in practice. Sharp disagreement among courts, economists, and legal...

This Article evaluates the implications of distributed ledger technology (DLT) for the securities markets of the future and their regulation. DLT is an integral part of the larger revolution in computing, communication and data storage capacity that has transformed securities markets over the...

During the recent financial crisis, there was a dramatic spike, across all industries, in the volatility of individual firm share prices after adjustment for movements in the market as a whole. In this Article, we demonstrate that a similar spike has occurred with each major downturn in the...

High-frequency trading, dark pools, and the practices associated with them have come under tremendous scrutiny lately, giving rise to much hot rhetoric. Missing from the discussion, however, is a principled, comprehensive standard for evaluating such practices and the law that governs them. This...

The public offering of truly new securities involves purchases by investors in sufficient number and in small enough blocks that each purchaser's shares can reasonably be expected to be freely tradable in a secondary market that did not exist before the offering. Increasing the ability of small...