
Amazon.com Inc has warned that costs might eviscerate its profit for the current quarter, as early holiday marketing does little to boost sales growth while labour and delivery expenses continue to swell.
Shares fell 19 percent in after-hours trade after the e-commerce giant’s bleak forecast on Thursday for the holiday quarter ending December. The last three months of the year include some of the biggest shopping events for sellers in the US including Halloween, Thanksgiving and Christmas.