
Bond trading platform MarketAxess' MKTX.O shares jump 6.4% to $229.99 premarket after posting record trading results in March
Trading volumes tend to rise during market volatility as investors rejig their portfolios to manage risk
CEO Chris Concannon says MKTX's new offerings launched combined with continued market volatility should help it increase market share in U.S. credit in coming quarters
William Blair says MKTX's high-grade and high-yield trading market share increased after weakness over the last two months, likely due to increasing credit spread and equity volatility
Four of 14 brokerages rate the stock "buy" or higher, 9 "hold" and 1 "sell"; median PT is $225 - data compiled by LSEG
As of last close, MKTX shares down 4.4% YTD