Cooling loans contrast with buoyant optimism data.

Trading of credit-default swaps on European sovereign debt jumps on threats to future of euro.

Trading of credit-default swaps on European sovereign debt jumps on threats to future of euro.

Change would cap leverage and limit new supply, Barclays says.

Change would cap leverage and limit new supply, Barclays says.

Things may even out in the U.S., but emerging markets will suffer.

The side effects of quantitative easing are under fresh scrutiny.