Starbucks upgraded its full-year outlook, but the coffee chain needs to improve margins to keep investors on board, writes @AndreaFelsted (via @opinion) https://t.co/hRo6xoDcOx ...

Starbucks shares are getting a boost. And people didn't think it ever could happen with the company raising fullear outlook and reporting its fourth straight quarter of same store sales growth. Although this is one that was a step function higher.Joining us now first on CBC is a person who a lot of people doubted. That was foolish. Talking about Starbucks chairman CEO Brian Nickel.Brian, I'm going to start the way I thought they should have on the call. I'm going to say congratulations on an amazing turn. > ...