Signs of labor-market strength drove stocks to all-time highs, bolstering speculation that the world’s largest economy remains resilient in the face of an energy shock triggered by the Iran war. Bets that solid growth will keep powering earnings sent the S&P 500 to its sixth straight weekly advance. A revival of the artificial-intelligence trade fueled an 11% jump in a gauge of chipmakers since last Friday. Oil notched a slide for the week. The US and Iran are working with mediators to