After an extended period of lackluster performance in the stock market amidst a boycott over its perceived stance on the conflict in Palestine, rising competition in China, and after contending for years with a nationwide drive to unionize stores, Starbucks (NASDAQ: SBUX) made an abrupt management change on August 13.The shares of the coffee giant quickly reacted to the news that Laxman Narasimhan, handpicked by Starbucks’ previous head, Howard Schultz, has stepped down and that the CEO of Chipotle (NYSE: C ...