(Dow Jones) -- CME Group Inc. said it will take additional steps to "further reduce potential discrepancies" that give some investors trading data before others.
The Chicago exchange operator, responding to a Page One article in The Wall Street Journal Wednesday, said it is "continually making improvements to our trading platform to increase efficiencies."
The company said its goal is to "bring variability as close to zero as possible."
CME said it will make additional upgrades to its hardware, software and other parts of its operations by yearend to make the "overall system performance more predictable."
The Journal reported that ...