15. MKTX-US MarketAxess Holdings Inc.
MarketAxess Holdings, Inc., based in New York, operates a fixed income electronic trading platform for institutional investors and dealers. MarketAxess ended 2018 at $211.31 a share and began 2020 at $379.11 a share, for a 79.4% return on investment in 2019 with a 0.5% current dividend yield.
