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 P10 Aims to Turn Data Into Alpha in the Middle Market John Crabb Was the ESG Investment Boom 'Impact-Washing?' James Comtois Fireside Chat- Building Blocks: How Institutions Can Win With ETFs Sponsored by Northern Trust Asset Management