Before he was fired, former FBI Director James Comey has sought more resources for Russia probe. In a farewell letter to staff, Comey said the President had the full authority to fire him and would not dwell on the decision. Democrats called for an independent probe of the Russia issue.
U.S. intelligence and law enforcement officials said on Wednesday they have been aware since the end of last year of a security breach at the CIA and were focusing on contractors as the likeliest source of documents being passed on to the anti-secrecy group WikiLeaks detailing the agency's hacking tools.
The former top U.S. intelligence official rejected President Donald Trump's accusation that his predecessor, Barack Obama, wiretapped him even as the White House on Sunday urged Congress to investigate Trump's allegation.
U.S. stocks jumped at the open on Monday after the FBI said it would not press criminal charges against U.S. presidential candidate Hillary Clinton relating to her email practices, brightening her prospects a day before the election.
The dollar recovered some ground on Monday after a Friday night slide on news that the FBI was investigating newly discovered emails as part of a probe into Hillary Clinton's use of a private server while she was secretary of state.
The FBI in New York City has undisclosed probes into about 30 suspected insider trading schemes, the agency said, in a sign investigators remains focused on building cases despite a court ruling that could curtail such prosecutions.
Martin Shkreli, a lightning rod for growing outrage over soaring prescription drug prices, was arrested in New York by the FBI on Thursday on securities fraud charges involving his former hedge fund and a pharmaceutical company he previously headed.