Market On Close Order

This is an order to be executed at the market price when the market closes. Institutions frequently use this method to buy or sell large numbers of shares, e.g., when a stock is to be added or deleted from an index and the institution must buy or sell the stock for an index fund. These orders are also used on day trades in order to close a position at the end of the session regardless of the price. It can also be used when you want to exit a position that day, but do not want to cut off a stock that is running during the day-place a market on close order and your trade will be executed at the closing price. As with all market orders, there is risk in that the stock that was rising and hit a target you would be happy at selling at, but then falls right before the close.

Master Limited Partnership (MLP)

Similar to a real estate investment trust (REIT), except MLPs are not limited to a specific industry compared to REITs which must invest in real estate. Both types trade like stocks on the New York Stock Exchange, and both types must distribute most of their earnings in the form of dividends. 

Material Change

A change in an issuer’s affairs that could have a significant effect on the market value of its securities, such as a change in the nature of the business or control of the issuer. Under the principle of continuous disclosure, a listed issuer must issue a news release and report to the applicable self-regulatory organization as soon as a material change occurs.

Equities

Common and preferred stocks, which represent a share in the ownership of a company.

ECN

Electronic Communication Network. ECNs are expected to supplement or even replace conventional stock exchanges over the next one to two years.

Market Not Held Order

This is a market order where the investor gives the floor trader the discretion to execute the order when he feels it is best. If the floor trader feels that the market will decline, he may hold the order to try to get a better fill. This order may not get filled.

Margin Call

This is a demand for a client to deposit money or securities into a margin account. This can occur when a purchase is made in excess of the value of the margin account or when the value of an account decreases because the value of the securities held decreases regardless of whether a new purchase is made or not.