Instinet

Instinet is best known as one of the first off-exchange trading alternatives, with its “green screen” terminals prevalent in the 1980s and 1990s, and, more recently, as the founder of Chi-X Europe and Chi-X Global. Its refusal to accept orders from SOES Bandits Josh Levine & Jeff Citron of Datek Securities led to the establishment of Instinet competitor Island in 1996. >>> Read the full article @ Investopedia