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 Coatue, Tiger Global, and Rosie Stephen Taub Biotech Surge Sends Averill to the Top of February’s Market Winners Stephen Taub Podcast- Commercial Mortgage-backed Securities: The Crossroads of Real Estate Debt and Liquid Credit Sponsored by Fidelity Investments