Starbucks Burns: Is It a Buying Opportunity or a Cautionary Tale?

Starbucks stock just had one of its worst weeks on record. Will it recover?Starbucks (SBUX 1.38%) just had one of the worst weeks in its history.The global coffee chain experienced its largest post-earnings stock price decline since 2000. It reported falling comparable sales and slashed guidance for the year, and management offered little more than empty buzzwords as a plan to stem the slide.Globally, comparable sales were down 4% in the fiscal second quarter, including a 6% decline in transactions. There d ...