1.   CBOE index options are traded in the same manner as traded equity stock options via market makers and floor brokers.

2.   Another case announced Wednesday involves trading by unnamed floor brokers who are cooperating with the investigation.

3.   Another is Steve Bruce, a floor broker for grains at the Chicago Board of Trade, who watches the Weather Channel from the trading pit.

4.   A floor broker with TFM Investment Group, the market maker in UAL options at the Pacific Exchange, also refused to comment.

5.   Christine Beyer, of Stamford, Conn., a floor broker.

6.   Dual trading occurs when floor brokers trade for their own accounts while executing buy or sell orders for investors during the same trading session.

7.   Edward Mueger, of Palm Beach, Fla., a floor broker.

8.   Fisher, an independent trader and floor broker, was elected to a two-year term in an election yesterday.

9.   He declined to say whether action was taken against the floor broker who was questioned by police.

10.   If the stock is listed on the New York Stock Exchange, there are even more middlemen, including floor brokers and specialists.