Barclays, Credit Suisse Questioned In High-Frequency Trading Investigation

Some of the world's biggest banks are in the crosshairs of New York Attorney General Eric Schneiderman as part of his probe into high-frequency trading, the controversial practice in which traders get an edge over other investors by buying and selling shares in milliseconds. Barclays and Credit Suisse are among the banks that have been subpoenaed by Schneiderman, sources tell the International Business Times.