This library records 13 enforcement actions tagged marking the close. Marking the close is trading in the final minutes of a session specifically to move the closing price, which is the price that sets portfolio valuations, margin calls, index levels and derivative settlements.
Actions are listed newest first. Each row links to a case page carrying the regulator's own release and, where one was published, the complaint. For how this technique works and what statute it engages, read the marking the close technique page.