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 Family Offices Plan to Shift More Money Into Private Markets John Crabb Spooked by Geopolitics, Global Allocators Pull Back From U.S. Assets James Comtois Private Equity’s Biggest Leap of Faith Isn’t NAV Finance Sponsored by 17Capital