UPDATE 1-Wall St regulator FINRA charges Wedbush with market access violations
August 18, 2014 at 09:46 AM EDT
WASHINGTON, Aug 18 (Reuters) - Wall Street's self-funded regulator on Monday charged brokerage firm Wedbush Securities with having shoddy risk controls, a flaw that in turn allowed thousands of traders to flood U.S. markets and execute manipulative trades.