 Shares of Best Buy Co. Inc. BBY, -1.69 surged 6.9 toward a two-month high in premarket trading Tuesday, after the consumer electronics and appliances retailer reported fiscal third-quarter results that beat expectations and raised its full-year outlook, as well as an improved inventory situation. Net income fell to 277 million, or 1.22 a share, from 499 million, or 2.00 a share, in the year-ago period. 