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 Tiger Global’s Robotics Strategy Stephen Taub As Higher Ed Struggles with Funding, More Small Schools Turn to Restricted Funds James Comtois From Equitizing Cash to Core Holdings: How Asset Owners are Rethinking ETFs Sponsored by Invesco