text: Tags: US | Market | Plunge | Investigation SEC, Exchanges Agree to Boost Market Safeguards
  A A The major securities exchanges put aside some of their differences Monday and agreed to coordinate trading rules to prevent stock plunges like last week's historic dive.
  The Senate subcommittee that oversees financial markets is preparing to hold its own hearing on the matter in the coming weeks, said a spokesman for Sen. Jack Reed, D-R.I., the subcommittee chair. © Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.