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 Biopharma Funds Deliver Market-Beating Returns as Valuations Snap Back Stephen Taub Tulip Trend and Quantedge Lead November Gains for CTAs Stephen Taub From Chaos to Clarity: Solving Your Daily Data Challenges Sponsored by InterSystems