NEW YORK (AP) — Oil prices swung Monday after a scare overnight where prices popped and then moderated, and the yo-yo moves kept stock markets worldwide unsettled.

The S&P 500 was down 0.3% after flipping between modest gains and losses. The Dow Jones Industrial Average fell 19 points, or less than 0.1%, as of 11:47 a.m. Eastern time. The Nasdaq composite was down 0.7%, but remained near its all-time high set last week like the S&P 500.

The center of the action recently has been the world’s bond markets, where climbing yields have cranked up the pressure on economies and stock markets worldwide. Higher…