Sandisk’s profits are soaring, but the future profitability remains uncertain. Investors should be prepared for the unpredictability of investing and focus on holding on to winners. Sandisk, a pioneer in solid-state memory, has seen its stock surge in the S&P 500, doubling in value year to date. Demand for its memory products is driving profits up, with analysts scrambling to update their estimates. While the future is hard to predict, Sandisk’s cash flows are expected to grow significantly. Investors can make reasonable assumptions about the future and invest in quality businesses like Sandisk, despite the challenges of predicting the future.

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