Just How Safe Is Apple Stock's Dividend? AleksandarNakic / iStock Unreleased via Getty Images A key component of income investing is a portfolio that includes safe dividends, those that are unlikely to shrink or disappear. Recognizing when a dividend is stable and safe can be a challenge. Yet, certain metrics can offer clear signs for the investor looking to establish or shore up such a portfolio. What do these metrics tell us about the quarterly dividend at Apple Inc. (NASDAQ: AAPL)?The most recent payou ...