Discounts squeeze Best Buy's quarterly profit
Net earnings fell to $154 million, or 42 cents a share, in its third quarter ended November 26, from $217 million, or 54 cents a share, a year earlier.
Excluding items, it earned 47 cents a share.
Shares were down 8 percent at $25.45 in heavy premarket trading.
(Reporting by Dhanya Skariachan; Editing by Derek Caney)