Amazon's Whole Foods revenue 'slightly better' than expected

Amazon.com Inc. wowed Wall Street with a record $60.5 billion in sales — an increase of 38% — for its fourth quarter, ended Dec. 31, 2017. Excluding the $1.1 billion favorable impact from year-over-year changes in foreign exchange rates throughout the quarter, net sales increased 36% compared with the fourth quarter of 2016.