McDonald’s all-day breakfast is eating its rivals’ lunch By: MarketWatch January 25, 2016 at 13:56 PM EST McDonald’s stock is up for six months, while rivals from Chipotle Mexican Grill and Shake Shack to Wendy’s and Yum Brands have fallen. Read More >> Related Stocks: Chipotle Mexican Grill McDonald's Corp Shake Shack Inc Wendys Company Yum Brands