Evolution expands US broker Evolution Markets has hired three brokers for the North American natural gas and power desk it launched in October. Corey Geraghty, Trenton Davis and Missy Ellis now broker gas and electricity options from the company headquarters in White Plains, New York. Geraghty (pictured) left rival broker Amerex Energy in Houston over a year ago, where he helped build the power derivatives desk; Davis was most recently a natural gas broker at GA Options. Ellis