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 CFA Institute’s Global Investing Game Is On James Comtois Opinion: The Hidden Costs of Indexing Are Hurting Institutions’ Returns Joel Schneider 4 Tools for Highly Funded Defined Benefit Plans to Manage Risk Sponsored by Fidelity Investments