Bloomberg AT&T Inc. shares surged the most in more than eight years after the telecommunications giant posted a surprise wireless subscriber gain in the second quarter, showing it can fend for itself in a cutthroat price war. Second-quarter earnings topped estimates, and wireless customers rose by 127,000, compared with analysts’ average projection for a loss of 22,713. An offer for …

Bloomberg Hyundai Motor Co. is banking on a new compact SUV to reinforce its lineup and help arrest a slide in sales in its biggest markets, after misjudging the consumer shift away from sedans that forced the South Korean automaker to increase incentives for consumers. The compact model, called the Kona after a seaside town in Hawaii, will be introduced …