BOSTON--(BUSINESS WIRE)--Luminex Trading & Analytics LLC, a buy-side owned trading venue which seeks to deliver the benefits of low cost and more efficient trading, today announced that it has completed its previously announced CEO transition, and has expanded its leadership team with the appointments of four key executives. Luminex plans to open for trading in the fourth quarter of 2015 as a new, independent platform for investment managers with a long term focus to trade large blocks of s