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 Late to Private Markets, City of Austin May Have Gotten the Timing Right James Comtois For Members Only Tiger Global, Maverick Back Upscale AI at $2B Valuation Stephen Taub Crisis Alpha With a Higher Return Potential Sponsored by Fidelity Investments