11.   In July, the exchange in Rio switched from the old-fashioned auction system with screaming floor traders to an electronic trading system similar to the NASDAQ.

12.   Leonard Goldstein, a CBOT floor trader, has circulated a petition seeking a membership vote to restrict use of the smaller ticks.

13.   One floor trader at the Chicago Mercantile Exchange said the swings in the market indicate that the market may have hit a top.

14.   Only about one-third the typical number of floor traders and specialists in particular stocks made it to work.

15.   Sean Grant, center, a rapper whose stage name is the Storm, at work as a floor trader at the American Stock Exchange in lower Manhattan.

16.   The exchange, which still uses floor traders, also said it would introduce online trading this year.

17.   Whatever happens with the tick size, the biggest problem is slow markets and relatively stable interest rates, floor traders said.

18.   While Arbor supported the open outcry system, his electronic course was viewed as less supportive of floor traders.

19.   A floor trader said there was a rumor that Venezuelan President Hugo Chavez had been shot or had left the country.

20.   After the news of the Saudi stance, buying by speculative commodity funds forced local traders to buy futures to balance out previous sales, a floor trader said.