(NASDAQ:MKTX) NEW YORK--(BUSINESS WIRE)--MarketAxess Holdings Inc. (Nasdaq: MKTX), the operator of a leading electronic trading platform for fixed-income securities, today announced that Chris Concannon, Chief Executive Officer, and Ilene Fiszel Bieler, Chief Financial Officer, will participate in the Barclays Global Financial Services Conference on September 9, 2025. Mr. Concannon and Ms. Fiszel Bieler will participate in a fireside chat at 12:00 p.m. ET. The live webcast and replay for the fireside chat wi