Starbucks (SBUX) shares are getting ready for their next leg up. The stock is expensive at these levels, but the coffee giant keeps on innovating and big international expansion is still ahead. It is no secret that espresso coffee is very popular overseas. Starbucks has announced the first at-home, premium, single-cup machine called Verismo® for single-cup espresso beverages. Starbucks has entered into an arrangement with Krueger GmbH & Co. of Germany to market the machine, as well as coffee and milk pods. “The premium, single-cup segment is the fastest-growing business within the global coffee industry,” said Howard Schultz, Starbucks chairman, president