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 Bush Foundation’s New Investment Head Eyes Emerging Markets and India for Growth James Comtois Family Offices Plan to Shift More Money Into Private Markets John Crabb Is the Market Bullish or Bearish? How the CVOL Skew Ratio Reveals Market Sentiment Sponsored by CME Group