"The Federal Reserve is continuing to investigate in the foreign exchange markets in coordination with other authorities, including the Department of Justice,” the spokesman said in a statement.

The Fed also is working closely with authorities overseas, according to the statement.

The announcement was made as global regulators fined five major banks, including UBS (>> UBS AG), HSBC (>> HSBC Holdings plc) and Citigroup (>> Citigroup Inc), $3.4 billion (2.14 billion pounds) for failing to stop their traders from trying to manipulate the foreign exchange market.

(Writing by Doina Chiacu; Editing by Bill Trott)

Stocks treated in this article : Citigroup Inc, UBS AG, HSBC Holdings plc