Shares of Green Mountain Coffee Roasters (GMCR.DL) are off 38% year to date and more than over the past year. Will the company disappoint again when it reports fiscal fourth-quarter results on Tuesday? Analysts are looking for 26.7% revenue growth and a penny more in earnings per share.

Whether the Q4 numbers measure up, it's worth noting that returns on capital are high as they've been in five years, while gross margin has recovered from recent lows. Sales of premium K-Cups through Starbucks (SBUX 1.09%) also appear to be fueling growth, even if the math says investors have lost faith. Find out more in the following video.