Coca-Cola's CEO explains why its $5 billion bet on a coffee chain hasn't worked out as planned
1. Coca-Cola's coffee business faces challenges post-Costa acquisition. 2. CEO acknowledges investment didn't meet growth expectations. 3. Coke still sees potential in coffee as a business category. 4. Company reflects on future direction for the Costa brand. 5. Stock rose 4% after reporting 5% growth in Q3 sales.