Sources say tomorrow Greek prime minister will ask creditors for six-month extension of loan agreement, buying time for talks.

Enthusiasm has waned for investment-grade corporate debt with maturity of five to 10 years.

ECB urges political deal for Greece; central bank doesn't want to have to shut down funding to Greek banks.

CFTC is weighing whether to restrict FX traders' exposures to foreign clients after FXCM losses.