Never bend the rules. You bend the rules a little bit and then it's a slippery slope.

Its equity partners include Citigroup Credit Suisse Interactive Brokers JP Morgan Morgan Stanley UBS and Citadel Derivatives Group LLC. BOX offers price improvement to traders through its patent-pending Price Improvement Period automated trading mechanism. When he first moved to New York City he did not speak English.

Thomas Peterffy (born 1944) is a Hungarian-born American entrepreneur. In the 1970s Peterffy purchased a seat on the American Stock Exchange and played a key role in developing the electronic trading of securities.