Argentina's central bank said on Monday it signed a $20 billion exchange-rate stabilization agreement with the US Treasury Department, six days ahead of a key midterm election. The central bank's statement said the agreement sets forth terms for bilateral currency swap operations between the US and Argentina, but it provided no technical details. The central bank, the BCRA, said: "Such operations will allow the BCRA to expand its set of monetary and exchange rate policy instruments, including the liquidity of its international reserves." The Argentine peso closed at a record low, down 1.7% on the day to end at 1,475 per dollar. The BCRA said the pact was part of a comprehensive strategy to enhance its ability to respond to...