Albertsons Companies, Inc. (NYSE:ACI) shares surged more than 11% Tuesday after the supermarket chain beat second-quarter earnings and sales estimates, fueled by strong digital growth and rising identical-store sales, while simultaneously announcing a $750 million accelerated share repurchase and raising its full-year profit outlook.The supermarket operator reported the second quarter adjusted earnings per share of 44 cents, beating the analyst consensus estimate of 40 cents.Quarterly sales of$18.915 billi ...