
Starbucks (SBUX) stock is surging in Tuesday's session after the coffee chain announced the immediate departure of Laxman Narasimhan as CEO. The company also said current Chipotle Mexican Grill (CMG) CEO Brian Niccol will take over the role on September 9. Rachel Ruggeri, chief financial officer at Starbucks, will serve as interim CEO until Niccol comes on board.