INVESTING: Credit crunch touches off squabble over Libor rate
The accuracy of a key global interest rate has been under scrutiny since the credit market crisis surfaced last summer. The London-interbank-offered rate, known as Libor, is used to determine interest rates on more than $350 trillion in financial instruments around the world-note that was “t” for trillion. Many mortgages, fixed-income securities, consumer and corporate loans, and derivatives use Libor as a base rate when setting their interest rates. Libor is administered by the British Bankers Association, which once a…