Starbucks Coffee in Warsaw, Poland on September 16th, 2025. (Photo by Beata Zawrzel/NurPhoto via Getty Images)NurPhoto via Getty ImagesStarbucks stock (NASDAQ: SBUX) has already decreased by approximately 15% over the last year—but the pivotal question for investors is whether the decline has only just started. Historical data indicates that it could be a possibility. In previous downturns, Starbucks has routinely suffered more significant losses than the overall market: during the 2021–23 inflation shock, ...