1.   This is why futures contracts are known as derivative securities, because they are derivative on the underlying cash market good.

2.   Because of complex strategies involving options, futures and other derivative securities, however, that is not always the case now.

3.   But American Express says it will not take such risks again, although it will keep manufacturing such derivative securities to be sold to its institutional clients.

4.   Derivative securities derive their value from prices of other securities, commodities, or market indexes.

5.   Even during a continued bull market, bank customers can incur losses on derivative securities they purchase from banks or their securities subsidiaries.

6.   Federal Reserve Chairman Alan Greenspan today called for greater public discussion of problems in pricing over-the-counter derivative securities.

7.   Financial engineers have made it possible, through a wide variety of derivative securities, for banks to take on widely varying levels of risks.

8.   For the NASD, a takeover of the Amex would give it a presence in the growing market for exchange-traded derivative securities, like stock options.

9.   Funds that held their derivative securities are doing much better than those that bailed out.

10.   Futures contracts are derivative securities that require the purchaser to buy a commodity or security at a certain price at a certain date.