Bonds give recession signals

Companies with top credit ratings are returning to the bond market to bolster their cash stockpiles while fretting over persistent inflation and sluggish economic growth. That’s giving investors a chance to buy the safest bonds at stepped-up yields due to rising interest rates.

Warren Buffett’s Berkshire Hathaway announced a 115 billion yen ($842 million) bond offering this month, while Duke Energy is out with a $1 billion offering. Amazon sold $8.25 billion of bonds in