Nasdaq fixed income unit down but not out, says CEO
Firm admits fixing US Treasuries business is "biggest area of challenge".
Accusation against CEO could be dropped, but exchange faces fines instead.
Third of four planned software updates adds new FIX functionality and transparency capabilities.
Technology will help African exchange to curb market abuse during growth phase.
Latest investment in corporate bond trading specialist made via exchange operator's venture capital arm.
Mark Hemsley has a new role following CBOE’s $3.4 billion acquisition of Bats. The TRADE’s online editor, John Bakie, caught up with the new president for Europe at CBOE Holdings about the takeover and plans for the future.