Barclays said it will contest a record £300 million fine imposed by the US energy regulator in court.
The Federal Energy Regulatory Commission has accused the banking giant of fixing electricity prices in California and other states for more than two years.
Four of Barclays former traders also received fines for allegedly fixing power prices between November 2006 and December 2008.
More top news
Gripping TV it may not have been but the televised four-day hearing was a box office event for fans of legal argument.
Independent MP Michelle Thomson revealed she was raped at 14, telling the Commons: "I'm not a victim, I'm a survivor."
The RAF serviceman has not been seen since the early hours of September 24 after a night out with friends in Bury St Edmonds.