Shares of Albertsons Companies Inc. ACI, -0.22% dropped 0.7% in premarket trading Tuesday, after the grocery-store chain reported fiscal third-quarter profit and sales that exceeded expectations but saw a drop in gross margins. Albertsons, which is in the process of being acquired by Kroger Co. KR, -0.17%, said net income for the quarter to Dec. 2 was $361.4 million, or 62 cents a share, after income of$375.5 million, or 20 cents a share, in the year-ago period. Excluding nonrecurring items, adjusted earni ...