Costco Wholesale Corp. on Wednesday reported a 9.9% year-over-year sales gain through the final stretch of the holiday-shopping season, marked by a big jump in online sales due to the later timing ...

Last year, the Teamsters staged a five-day strike at Amazon that ended the day after Christmas. But unlike the situation at Costco, Amazon does not recognize the union as representing any of its ...

Most are in the grocery store sector.The Teamsters staged a strike at Amazon just before Christmas, but unlike the situation at Costco, Amazon does not recognize the union as representing any of ...