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 PivotalPath: The Dramatic Market Rebound in April Tested Quant Funds — But They Eked Out Gains Julie Segal For Members Only Greenlight Misses Market’s April Pop Stephen Taub Dollar Reasserts Itself as Global Tensions Shift Currency Markets Sponsored by CME Group