Trying to force the S.E.C.’s hand on high-speed trading

Robert P. Bartlett III and Justin McCrary write for The New York Times, Dec. 18, 2015

Media attention to latency arbitrage might be novel, but the issue is hardly a new one; investors have voiced concerns about exchanges’ preferential distribution of market data since at least 1975. In light of the S.E.C.’s unwillingness to take any action, IEX and its backers simply took matters into their own hands.