Barclays provided huge advantages to high-frequency traders: NY Attorney General

New York Attorney General Eric Schneiderman appeared on CNBC's " Squawk Box" on Thursday, after filing a lawsuit against Barclays- accusing the British bank of giving an unfair edge in the U.S. to high-frequency trading clients, even as it claimed to be protecting other customers from such traders.. Read More NY AG levels serious allegations at Barclays.