Currency declines for eighth day as Greek politicians struggle to form new government.

Marks longest losing streak against the dollar in nearly a month.

Marks longest losing streak against the dollar in nearly a month.

U.S. currency expected to gain European debt crisis weighs on global economy.

U.S. currency expected to gain European debt crisis weighs on global economy.

Currency to slide amid spending cuts and renewed debt turmoil.

Currency to slide amid spending cuts and renewed debt turmoil.

Currency hits lowest level against dollar since January.