A rule on the New York Stock Exchange stating that members must receive permission from the exchange's management before conducting trades on listed securities anywhere other than the trading floor. Rule 390 was rescinded in 2000.
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A former New York Stock Exchange rule that stipulated that, unless exempted by the exchange, members must receive permission before trading an exchange-listed security off the exchange floor. Rule 390 was scrapped in 2000 by the New York Stock Exchange under pressure from the Securities and Exchange Commission. Compare Rule 5. See also Rule 19c-3.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.