Information Memos alert constituents to changes in NYSE and NYSE Amex Equities trading policies and practices. An Info Memo includes the rule text as well as an explanation and clarification of the ramification of the change. NYSE Information Memos from January 1986 through the present and NYSE Amex Equities Information Memos beginning January 27, 2009, are available below. View Amex Trader Notices from 1999-January 7, 2009