1.   Day trading involves a lot of technology, and Anuff tells you more than you want to know about the mechanics of the business.

2.   In most cases, rat trading involves traders who sell clients shares at inflated prices -- and pocket the extra themselves.

3.   When-issued trading involves buying or selling the right to purchase a security once it hits the market.

4.   The trading in wildlife involves a huge network.

5.   The U.S. dollar fell against the yen Thursday on profit-taking through cross trading involving the German mark related to uncertainty in Russian financial markets.

6.   Forward trading involves dealing in securities for delivery at a future date on a price agreed when the forward contract is made.