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 For Members Only Biopharma Continues to Buoy the IPO Market Stephen Taub For Members Only AI Drug Discovery Reaches the IPO Market Stephen Taub The Evolving Role of PE in Portfolios Sponsored by Dawson Partners