Elkins/McSherry - Market Impact Trend Global Transaction Costs Decline Despite High Frequency Trading. November 11, 2010 See related article, Elkins/McSherry - Global Transaction Costs Decline Despite High Frequency Trading. High Frequency Trading New York Stock Exchange Transaction Costs Nasdaq Elkins Mcsherry Global Trading Related Articles For Members Only Third Point Hit by Momentum Reversal, Posts July Decline Stephen Taub For Members Only Light Street Stung by July Tech Rout, Still Tops Broader Market Stephen Taub Press Release: Institutional Investor enters next chapter of growth with Apax Partners Sponsored by Apax