Even now, as they have issued positive reports about the metal, their price targets seem oddly out of sync with its relentless rise.

The relentless rise of the housing market is a growing puzzle for central bankers.

Consumers' main pillar of support has been low interest rates, which have fueled a relentless rise in housing prices.

The real reason for the crunch is the relentless rise in the cost of tuition.

One key factor responsible for the relentless rise in hospital costs - input prices - is also highly resistant to containment.

She was into the relentless rise like the surge of a wave.

China's relentless rise as a low-cost manufacturer has helped the global economy in a number of ways, not least by driving down inflation.

The relentless rise in health care costs is causing states and businesses to fight over whose job it is to insure workers.

It can insulate DuPont from the relentless rise in gas and oil prices.

The euro's relentless rise will eventually start to bite.