LAS VEGAS, NV - MARCH 28: A Starbucks coffee shop on the Strip (Las Vegas Boulevard) in Las Vegas, ... [+] Nevada. (Photo by Robert Alexander/Getty Images)Getty ImagesStarbucks stock rose 21% and Chipotle shares fell 7.5% after the burrito-retailer’s CEO Brian Niccol departed to take over the coffee retail chain on September 9, according to CNBC.What a difference a CEO makes! The market capitalization impact of this leadership change totaled $24.2 billion on August 13 alone as Starbucks’ added$18.4 billion ...