Oil prices plunged and stocks surged in early trading on Monday after the U.S. paused attacks on Iran over the weekend, opting against a major escalation of the war. Global prices fell 6% on Monday, briefly crossing below $90 a barrel before moving slightly above that benchmark. The decline reversed a days-long run up in crude prices as fighting threatened to worsen a historic global oil shock. Stock prices climbed in response to the drop in oil prices. The Dow Jones Industrial Average climbed 570 points, or 1.1%, while the S&P 500 jumped 0.6%. The tech-heavy Nasdaq increased 0.6%.Crude costs...