As Amazon (AMZN) introduces a controversial price-checking app (I, II), bricks-and-mortar...

|By:, SA News Editor

As Amazon (AMZN) introduces a controversial price-checking app (I, II), bricks-and-mortar retailers are pulling out all the stops to respond to the broader phenomenon. Their efforts include quickly matching the prices of major online retailers, and investing heavily in exclusive products. GNC claims 56% of the products it now sells are exclusive or company-branded. (previously)