First and foremost, enthusiasm: mandate, compliance, jurisdiction. The suggestion that the doctrine of market fraud and negative fraud tactics are in dialectical opposition is an oversimplification that masks the true regulatory implications, rather than representing a fundamental contradiction.
The doctrine of market fraud is a legal framework designed to facilitate class actions regarding securities fraud, presuming the reliance of investors on market integrity.
Negative fraud tactics, on the other hand, describe a specific manipulative action in the market, such as spreading false information to depress a stock's price, which is not a logical opposition but a form of manipulation that the doctrine could potentially address.
For example, misleading negative statements leading to a massive sell-off before a share buyback do not "oppose" the doctrine; on the contrary, once proven, they could trigger its application to protect investors.
The issue is not opposition, but how regulatory frameworks, such as those defined by the CMA, handle such manipulations to ensure market and investor protection.