UPDATE 1-U.S. high-frequency trading case vs exchanges, Barclays is dismissed
August 26, 2015 at 16:24 PM EDT
NEW YORK, Aug 26 (Reuters) - Major U.S. stock exchanges and Barclays Plc on Wednesday won the dismissal of nationwide litigation in which pension funds and other investors accused them of rigging markets at their expense to benefit high-frequency traders.