- A federal judge has dismissed the "Flash Boys" suit filed against Barclays (BCS +2.4%), though he says he won't "wade into the larger public debate" about high-frequency trading, and plaintiffs could amend and refile.
- Providence, R.I., and other investors had filed suit last year against Barclays and a number of other high-finance players, alleging that they had siphoned billions by rigging the markets with HFT, as described in Michael Lewis' book Flash Boys: A Wall Street Revolt.
- Judge Jesse Furman said plaintiffs failed to show complaints were "legally sufficient." City of Providence lawyers say they are discussing the decision and haven't yet decided on an appeal.
- In April, three other class-action suits against stock exchanges that were inspired by the book were thrown out by another Southern District of New York judge.