A high-frequency trader was arrested in the United Kingdom over his alleged role in the May 2010 "flash crash" that briefly wiped out nearly $1 trillion in market capitalization, the first time authorities have blamed manipulation for the market turbulence.
Wikimedia Foundation, the nonprofit organization that runs free online encyclopedia Wikipedia, will file a lawsuit against the National Security Agency and the U.S. Department of Justice, challenging the government's mass surveillance program.
Barclays has been providing information to an investigation into precious metals by the U.S. Department of Justice (DoJ), the bank said in its 2014 annual report on Tuesday, a week after a similar statement by HSBC.