This story has been updated to include new information. Costco workers who are members of the Teamsters union could go on strike by the end of the month the union voted to authorize a nationwide ...

Members of the Teamsters union have authorized a strike against Costco on Feb. 1 unless they reach a deal with the warehouse retailer before the current contract expires on Jan. 31.The union said ...

Teamsters working for wholesale giant Costco voted to authorize a strike ahead of a Jan. 31 contract expiration, the labor group said in a statement. The contract covers more than 18,000 Costco ...

Members of the Teamsters union have authorized a strike against Costco on February 1 unless they reach a deal with the warehouse retailer before the current contract expires on January 31.