Economy

Fed links duration, extent of QE3 to 'sustained improvement' in jobs market.

Purchases to continue until jobs outlook improves substantially, Fed says.

Purchases to continue until jobs outlook improves substantially, Fed says.

German courts ruling seen as a big step in resolving the debt crisis.

German courts ruling seen as a big step in resolving the debt crisis.

Markets see Fed holding benchmark rate close to zero even after Bernankes term ends in 2014.